Measurements:
°C
°F
CURRENT WEATHER
17:32
Edgartown
82°F
NE 19 mph
Feels like: 86°F
Precip: 4%
World Resorts USA Edgartown Weather

7 Day Weather Forecast

08.25
tue
DAY
82°F
E 17 mph
precip
4%
NIGHT
68°F
E 12 mph
precip
10%
08.26
wed
DAY
74°F
E 8 mph
precip
4%
NIGHT
74°F
NE 12 mph
precip
18%
08.27
thu
DAY
78°F
NE 9 mph
precip
17%
NIGHT
74°F
N 12 mph
precip
46%
08.28
fri
DAY
78°F
NW 3 mph
precip
9%
NIGHT
76°F
E 11 mph
precip
29%
08.29
sat
DAY
76°F
S 6 mph
precip
12%
NIGHT
70°F
N 8 mph
precip
25%
08.30
sun
DAY
76°F
NE 8 mph
precip
6%
NIGHT
74°F
SE 5 mph
precip
72%
08.31
mon
DAY
78°F
NE 7 mph
precip
5%
NIGHT
74°F
W 8 mph
precip
12%

Edgartown Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Edgartown was 22.0°F. The maximum and minimum values were 20.9°F and 23.3°F respectively.

Edgartown on the Weather Map

Best Time to Visit Edgartown
The most sunny months:
November 15 days
October 14 days
June 14 days
The most warm months:
July 77.7 °F
August 76.0 °F
September 71.4 °F
Warmest sea temperature:
August 74.9 °F
July 73.3 °F
September 71.4 °F
The most cold months:
February 35.1 °F
January 35.1 °F
December 41.5 °F
The most rainy months:
January 3 days
October 3 days
July 2 days
The most windy months:
December 14 mph
January 14 mph
March 14 mph
more details