Measurements:
°C
°F
CURRENT WEATHER
17:39
Boston
80°F
E 7 mph
Feels like: 82°F
Precip: 2%
World Resorts USA Boston Weather

7 Day Weather Forecast

08.25
tue
DAY
82°F
E 9 mph
precip
3%
NIGHT
68°F
E 6 mph
precip
8%
08.26
wed
DAY
80°F
E 4 mph
precip
1%
NIGHT
70°F
NE 6 mph
precip
10%
08.27
thu
DAY
86°F
NE 9 mph
precip
11%
NIGHT
72°F
N 8 mph
precip
26%
08.28
fri
DAY
86°F
W 2 mph
precip
10%
NIGHT
70°F
E 7 mph
precip
29%
08.29
sat
DAY
76°F
SE 4 mph
precip
5%
NIGHT
64°F
NE 8 mph
precip
19%
08.30
sun
DAY
82°F
NE 6 mph
precip
10%
NIGHT
68°F
NE 4 mph
precip
56%
08.31
mon
DAY
78°F
SW 7 mph
precip
6%
NIGHT
66°F
W 4 mph
precip
22%

Boston Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Boston was 20.2°F. The maximum and minimum values were 18.9°F and 21.9°F respectively.

Boston on the Weather Map

Best Time to Visit Boston
The most sunny months:
August 16 days
July 15 days
November 14 days
The most warm months:
July 85.6 °F
August 83.7 °F
June 77.4 °F
Warmest sea temperature:
August 69.6 °F
July 68.7 °F
September 65.9 °F
The most cold months:
January 31.3 °F
February 32.9 °F
December 38.0 °F
The most rainy months:
April 5 days
June 4 days
October 4 days
The most windy months:
January 11 mph
March 11 mph
February 10 mph
more details