Sea weather in Boston in the United States (USA) All the beach weather in Boston

All the essential weather information for enjoying the beach in Boston in the United States (USA), for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Boston over the next 7 days?

Discover the best moment to go to the beach in Boston in the United States (USA) this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Boston. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Sunday 19 July 202663°F to 74°Fdiscouraged
Monday 20 July 202661°F to 74°Fdiscouraged
Tuesday 21 July 202663°F to 74°Fdiscouraged
Wednesday 22 July 202663°F to 76°Fdiscouraged
Thursday 23 July 202658°F to 67°Frecommended
Friday 24 July 202659°F to 68°Frecommended
Saturday 25 July 202661°F to 72°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Boston

Sea weather on Sunday 19 July 2026

On Sunday 19 July 2026, the sun will rise at 05:25 and will set at 20:16 on the beach(es) of Boston. The outside temperature will be a high of 74°F t and a low of 63°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 19.3mph km/h (with gusts up to 26.1mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature21°C (70°F)22°C (71°F)20°C (67°F)21°C (69°F)21°C (70°F)23°C (74°F)21°C (71°F)19°C (66°F)
Perceived temperature21°C (70°F)22°C (71°F)20°C (67°F)21°C (69°F)21°C (70°F)24°C (76°F)21°C (71°F)19°C (66°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity94%93%82%56%45%40%44%57%
Barometric pressure1001 hPa1001 hPa1004 hPa1006 hPa1006 hPa1007 hPa1008 hPa1011 hPa
Cloud cover100%100%16%0%0%6%5%7%
Heat index24°C (76°F)24°C (76°F)20°C (67°F)21°C (69°F)21°C (70°F)24°C (76°F)24°C (75°F)19°C (66°F)
Dew point20°C (69°F)20°C (69°F)17°C (62°F)11°C (52°F)8°C (47°F)9°C (47°F)9°C (48°F)10°C (51°F)
Wind
Speed26km/h (16mph)21km/h (13mph)26km/h (16mph)31km/h (19mph)22km/h (14mph)14km/h (9mph)13km/h (8mph)16km/h (10mph)
Gusts42km/h (26mph)36km/h (22mph)40km/h (25mph)40km/h (25mph)25km/h (15mph)30km/h (19mph)28km/h (17mph)34km/h (21mph)
Direction 235°
SW
239°
WSW
312°
NW
315°
NW
321°
NW
313°
NW
325°
NW
340°
NNW
Wind chill21°C (70°F)22°C (71°F)20°C (67°F)21°C (69°F)21°C (70°F)23°C (74°F)21°C (71°F)19°C (66°F)
Waves
Height1.1m (3.5ft)0.8m (2.8ft)0.5m (1.5ft)0.7m (2.2ft)0.5m (1.6ft)0.4m (1.2ft)0.3m (1.0ft)0.3m (1.0ft)
Direction 168°
SSE
162°
SSE
282°
WNW
335°
NNW
29°
NNE
105°
ESE
105°
ESE
105°
ESE
Period9.0 sec.5.1 sec.13.0 sec.12.8 sec.9.5 sec.9.6 sec.7.4 sec.6.9 sec.
Significant height1.3m (4.3ft)1.0m (3.3ft)1.0m (3.3ft)1.1m (3.6ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Monday 20 July 2026

On Monday 20 July 2026, the sun will rise at 05:25 and will set at 20:15 on the beach(es) of Boston. The outside temperature will be a high of 74°F t and a low of 61°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 16.8mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)16°C (61°F)17°C (63°F)22°C (72°F)23°C (74°F)22°C (71°F)21°C (69°F)19°C (66°F)
Perceived temperature17°C (63°F)16°C (61°F)17°C (63°F)24°C (76°F)25°C (76°F)22°C (71°F)21°C (69°F)19°C (66°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity59%61%60%48%45%53%56%64%
Barometric pressure1012 hPa1012 hPa1014 hPa1014 hPa1014 hPa1013 hPa1014 hPa1016 hPa
Cloud cover5%4%6%5%9%7%7%8%
Heat index17°C (63°F)16°C (61°F)17°C (63°F)24°C (76°F)25°C (76°F)24°C (76°F)21°C (69°F)19°C (66°F)
Dew point9°C (48°F)9°C (48°F)9°C (49°F)10°C (51°F)11°C (51°F)12°C (53°F)12°C (53°F)12°C (54°F)
Wind
Speed11km/h (7mph)12km/h (7mph)12km/h (7mph)7km/h (4mph)10km/h (6mph)20km/h (12mph)22km/h (13mph)20km/h (12mph)
Gusts23km/h (14mph)24km/h (15mph)21km/h (13mph)11km/h (7mph)16km/h (10mph)22km/h (14mph)24km/h (15mph)27km/h (17mph)
Direction 297°
WNW
280°
W
289°
WNW
284°
WNW
114°
ESE
131°
SE
166°
SSE
189°
S
Wind chill17°C (63°F)16°C (61°F)17°C (63°F)22°C (72°F)23°C (74°F)22°C (71°F)21°C (69°F)19°C (66°F)
Waves
Height0.3m (0.9ft)0.3m (0.9ft)0.3m (0.9ft)0.2m (0.7ft)0.2m (0.8ft)0.4m (1.2ft)0.5m (1.8ft)0.7m (2.3ft)
Direction 104°
ESE
104°
ESE
104°
ESE
106°
ESE
106°
ESE
124°
SE
148°
SSE
158°
SSE
Period6.5 sec.6.1 sec.9.1 sec.12.1 sec.12.0 sec.11.9 sec.9.9 sec.11.8 sec.
Significant height0.4m (1.3ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.4m (1.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather on Tuesday 21 July 2026

On Tuesday 21 July 2026, the sun will rise at 05:26 and will set at 20:14 on the beach(es) of Boston. The outside temperature will be a high of 74°F t and a low of 63°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 16.2mph km/h (with gusts up to 19.9mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (63°F)17°C (63°F)18°C (65°F)22°C (71°F)23°C (73°F)22°C (71°F)20°C (69°F)20°C (68°F)
Perceived temperature17°C (63°F)17°C (63°F)18°C (65°F)22°C (71°F)25°C (77°F)22°C (71°F)20°C (69°F)20°C (68°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity76%87%86%68%60%71%89%99%
Barometric pressure1015 hPa1015 hPa1015 hPa1014 hPa1013 hPa1011 hPa1008 hPa1006 hPa
Cloud cover7%4%87%16%13%81%100%100%
Heat index17°C (63°F)17°C (63°F)18°C (65°F)25°C (76°F)25°C (77°F)24°C (76°F)20°C (69°F)20°C (68°F)
Dew point13°C (56°F)15°C (59°F)16°C (61°F)16°C (60°F)14°C (58°F)16°C (61°F)19°C (66°F)20°C (68°F)
Wind
Speed14km/h (9mph)13km/h (8mph)15km/h (9mph)19km/h (12mph)26km/h (16mph)26km/h (16mph)24km/h (15mph)20km/h (12mph)
Gusts29km/h (18mph)26km/h (16mph)26km/h (16mph)32km/h (20mph)31km/h (20mph)27km/h (17mph)25km/h (16mph)21km/h (13mph)
Direction 192°
SSW
195°
SSW
182°
S
156°
SSE
149°
SSE
135°
SE
141°
SE
161°
SSE
Wind chill17°C (63°F)17°C (63°F)18°C (65°F)22°C (71°F)23°C (73°F)22°C (71°F)20°C (69°F)20°C (68°F)
Waves
Height0.6m (2.0ft)0.4m (1.4ft)0.3m (1.1ft)0.3m (1.1ft)0.6m (2.1ft)0.9m (3.1ft)0.9m (3.0ft)1.0m (3.3ft)
Direction 155°
SSE
146°
SSE
106°
ESE
106°
ESE
135°
SE
128°
SE
124°
SE
118°
ESE
Period11.8 sec.11.8 sec.11.7 sec.10.0 sec.11.6 sec.11.5 sec.11.4 sec.5.5 sec.
Significant height0.7m (2.3ft)0.4m (1.3ft)0.3m (1ft)0.5m (1.6ft)0.9m (3ft)1.0m (3.3ft)0.7m (2.3ft)0.3m (1ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)17°C (62°F)

Sea weather on Wednesday 22 July 2026

On Wednesday 22 July 2026, the sun will rise at 05:27 and will set at 20:14 on the beach(es) of Boston. The outside temperature will be a high of 76°F t and a low of 63°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 23mph). Wave height will be up to 3.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature20°C (69°F)20°C (68°F)20°C (69°F)24°C (74°F)23°C (74°F)23°C (74°F)22°C (72°F)18°C (65°F)
Perceived temperature20°C (69°F)20°C (68°F)20°C (69°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (76°F)18°C (65°F)
Precipitation0.1in0in0in0in0in0in0in0in
Humidity99%97%95%74%78%67%54%66%
Barometric pressure1003 hPa1002 hPa1003 hPa1004 hPa1005 hPa1006 hPa1009 hPa1013 hPa
Cloud cover100%77%92%60%60%58%20%0%
Heat index20°C (69°F)20°C (68°F)20°C (69°F)25°C (78°F)25°C (77°F)25°C (77°F)25°C (76°F)18°C (65°F)
Dew point20°C (68°F)20°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)17°C (62°F)13°C (55°F)12°C (53°F)
Wind
Speed17km/h (10mph)19km/h (12mph)17km/h (10mph)18km/h (11mph)19km/h (12mph)21km/h (13mph)28km/h (17mph)19km/h (12mph)
Gusts31km/h (19mph)34km/h (21mph)30km/h (19mph)31km/h (19mph)23km/h (14mph)37km/h (23mph)34km/h (21mph)31km/h (19mph)
Direction 181°
S
213°
SSW
211°
SSW
218°
SW
242°
WSW
259°
WSW
288°
WNW
307°
NW
Wind chill20°C (69°F)20°C (68°F)20°C (69°F)24°C (74°F)23°C (74°F)23°C (74°F)22°C (72°F)18°C (65°F)
Waves
Height1.0m (3.2ft)1.0m (3.3ft)0.8m (2.8ft)0.8m (2.5ft)0.7m (2.4ft)0.8m (2.6ft)1.0m (3.2ft)0.8m (2.5ft)
Direction 115°
ESE
118°
ESE
122°
ESE
123°
ESE
120°
ESE
120°
ESE
130°
SE
125°
SE
Period8.5 sec.6.0 sec.6.4 sec.7.4 sec.7.3 sec.6.6 sec.6.1 sec.6.6 sec.
Significant height0.9m (3ft)0.4m (1.3ft)1.3m (4.3ft)1.2m (3.9ft)1.1m (3.6ft)0.9m (3ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Thursday 23 July 2026

On Thursday 23 July 2026, the sun will rise at 05:28 and will set at 20:13 on the beach(es) of Boston. The outside temperature will be a high of 67°F t and a low of 58°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 11.8mph km/h (with gusts up to 19.3mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (62°F)15°C (59°F)15°C (59°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (62°F)17°C (62°F)
Perceived temperature16°C (62°F)14°C (57°F)15°C (59°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (62°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%68%65%51%50%55%67%76%
Barometric pressure1016 hPa1017 hPa1019 hPa1020 hPa1020 hPa1019 hPa1019 hPa1020 hPa
Cloud cover0%0%0%0%0%0%3%6%
Heat index16°C (62°F)15°C (59°F)15°C (59°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (62°F)17°C (62°F)
Dew point11°C (52°F)9°C (48°F)9°C (48°F)9°C (47°F)7°C (45°F)8°C (46°F)10°C (51°F)12°C (54°F)
Wind
Speed17km/h (11mph)15km/h (9mph)8km/h (5mph)5km/h (3mph)15km/h (10mph)19km/h (12mph)19km/h (12mph)11km/h (7mph)
Gusts28km/h (18mph)28km/h (17mph)13km/h (8mph)6km/h (4mph)31km/h (19mph)21km/h (13mph)19km/h (12mph)20km/h (12mph)
Direction 303°
WNW
319°
NW
343°
NNW
92°
E
121°
ESE
121°
ESE
140°
SE
145°
SE
Wind chill16°C (62°F)14°C (57°F)15°C (59°F)19°C (66°F)18°C (64°F)17°C (62°F)16°C (62°F)17°C (62°F)
Waves
Height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.2ft)0.6m (2.0ft)0.5m (1.8ft)0.6m (1.8ft)0.5m (1.7ft)
Direction 124°
ESE
127°
SE
127°
SE
122°
ESE
121°
ESE
122°
ESE
121°
ESE
121°
ESE
Period7.3 sec.7.3 sec.8.5 sec.7.7 sec.7.7 sec.7.7 sec.7.7 sec.7.6 sec.
Significant height0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Friday 24 July 2026

On Friday 24 July 2026, the sun will rise at 05:29 and will set at 20:12 on the beach(es) of Boston. The outside temperature will be a high of 68°F t and a low of 59°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 8.1mph km/h (with gusts up to 16.2mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature16°C (60°F)15°C (59°F)16°C (61°F)19°C (66°F)20°C (67°F)19°C (66°F)18°C (64°F)17°C (62°F)
Perceived temperature16°C (60°F)15°C (59°F)16°C (61°F)19°C (66°F)20°C (67°F)19°C (66°F)18°C (64°F)17°C (62°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%72%71%58%54%53%62%66%
Barometric pressure1020 hPa1020 hPa1020 hPa1020 hPa1020 hPa1019 hPa1018 hPa1019 hPa
Cloud cover9%8%5%5%5%5%10%14%
Heat index16°C (60°F)15°C (59°F)16°C (61°F)19°C (66°F)20°C (67°F)19°C (66°F)18°C (64°F)17°C (62°F)
Dew point11°C (53°F)10°C (50°F)11°C (52°F)11°C (51°F)10°C (50°F)9°C (49°F)10°C (50°F)10°C (51°F)
Wind
Speed7km/h (4mph)9km/h (6mph)9km/h (6mph)10km/h (6mph)12km/h (7mph)13km/h (8mph)13km/h (8mph)11km/h (7mph)
Gusts14km/h (9mph)19km/h (12mph)15km/h (9mph)13km/h (8mph)18km/h (11mph)24km/h (15mph)26km/h (16mph)22km/h (14mph)
Direction 302°
WNW
347°
NNW
14°
NNE
53°
NE
87°
E
105°
ESE
136°
SE
194°
SSW
Wind chill16°C (60°F)15°C (59°F)16°C (61°F)19°C (66°F)20°C (67°F)19°C (66°F)18°C (64°F)17°C (62°F)
Waves
Height0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.6m (2.0ft)0.7m (2.3ft)0.7m (2.3ft)
Direction 119°
ESE
119°
ESE
119°
ESE
119°
ESE
119°
ESE
119°
ESE
124°
ESE
120°
ESE
Period7.6 sec.7.5 sec.7.4 sec.7.3 sec.7.2 sec.7.1 sec.7.2 sec.6.3 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)0.9m (3ft)
Sea water temperature
Water temperature17°C (62°F)17°C (62°F)17°C (62°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather on Saturday 25 July 2026

On Saturday 25 July 2026, the sun will rise at 05:30 and will set at 20:11 on the beach(es) of Boston. The outside temperature will be a high of 72°F t and a low of 61°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.7mph km/h (with gusts up to 19.3mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature17°C (62°F)16°C (62°F)18°C (64°F)21°C (69°F)21°C (71°F)21°C (69°F)20°C (67°F)19°C (66°F)
Perceived temperature17°C (62°F)16°C (62°F)18°C (64°F)21°C (69°F)21°C (71°F)21°C (69°F)20°C (67°F)19°C (66°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity67%67%63%55%54%58%65%71%
Barometric pressure1019 hPa1018 hPa1017 hPa1017 hPa1015 hPa1013 hPa1013 hPa1012 hPa
Cloud cover14%13%11%11%12%12%23%40%
Heat index17°C (62°F)16°C (62°F)18°C (64°F)23°C (73°F)24°C (76°F)22°C (71°F)20°C (67°F)19°C (66°F)
Dew point11°C (51°F)10°C (51°F)11°C (51°F)11°C (52°F)12°C (53°F)12°C (54°F)13°C (55°F)14°C (56°F)
Wind
Speed9km/h (5mph)8km/h (5mph)5km/h (3mph)9km/h (5mph)18km/h (11mph)22km/h (13mph)18km/h (11mph)13km/h (8mph)
Gusts18km/h (11mph)15km/h (10mph)10km/h (6mph)14km/h (9mph)24km/h (15mph)27km/h (17mph)31km/h (19mph)25km/h (16mph)
Direction 234°
SW
254°
WSW
251°
WSW
180°
S
133°
SE
128°
SE
152°
SSE
181°
S
Wind chill17°C (62°F)16°C (62°F)18°C (64°F)21°C (69°F)21°C (71°F)21°C (69°F)20°C (67°F)19°C (66°F)
Waves
Height0.6m (2.0ft)0.6m (2.0ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)
Direction 117°
ESE
117°
ESE
118°
ESE
118°
ESE
117°
ESE
117°
ESE
117°
ESE
117°
ESE
Period4.5 sec.6.4 sec.7.6 sec.7.5 sec.7.4 sec.7.4 sec.7.3 sec.7.3 sec.
Significant height0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)19°C (66°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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