World Resorts USA Edgartown Weather

Edgartown 14 Days Forecast

12.08
wed
Day
88°F
W 2 mph
Precip.
1%
Night
68°F
NE 13 mph
Precip.
10%
13.08
thu
Day
70°F
NE 16 mph
Precip.
63%
Night
73°F
SE 11 mph
Precip.
7%
14.08
fri
Day
75°F
SE 11 mph
Precip.
2%
Night
70°F
S 14 mph
Precip.
3%
15.08
sat
Day
72°F
S 9 mph
Precip.
2%
Night
70°F
NE 9 mph
Precip.
5%
16.08
sun
Day
72°F
N 15 mph
Precip.
14%
Night
73°F
NE 20 mph
Precip.
56%
17.08
mon
Day
77°F
NE 6 mph
Precip.
27%
Night
73°F
W 8 mph
Precip.
24%
18.08
tue
Day
73°F
W 7 mph
Precip.
4%
Night
72°F
NE 9 mph
Precip.
7%
19.08
wed
Day
75°F
NE 13 mph
Precip.
7%
Night
73°F
NE 14 mph
Precip.
11%
20.08
thu
Day
75°F
NE 21 mph
Precip.
9%
Night
75°F
N 17 mph
Precip.
20%
21.08
fri
Day
77°F
NE 21 mph
Precip.
30%
Night
75°F
NE 21 mph
Precip.
21%
22.08
sat
Day
77°F
NE 11 mph
Precip.
18%
Night
73°F
E 15 mph
Precip.
71%
23.08
sun
Day
72°F
NE 10 mph
Precip.
77%
Night
68°F
SW 10 mph
Precip.
19%
24.08
mon
Day
70°F
SW 13 mph
Precip.
25%
Night
68°F
SW 8 mph
Precip.
12%
25.08
tue
Day
72°F
W 7 mph
Precip.
5%
Night
70°F
W 7 mph
Precip.
9%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 70.2°F. The highest and lowest sea temperatures during the month were 73.2°F and 68.4°F.

Air temperature in Edgartown, °F

Precipitation total in Edgartown, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Edgartown

Sunniest months:
November 15 days
October 14 days
June 14 days
Warmest months:
July 74.9 °F
August 73.4 °F
September 69.3 °F
Warmest sea temp:
August 72.6 °F
July 71.0 °F
September 69.3 °F
Coldest months:
February 36.5 °F
January 36.6 °F
December 42.4 °F
Rainiest months:
January 3 days
October 3 days
July 2 days
Windiest months:
December 14.5 mph
January 14.5 mph
March 14.5 mph

Edgartown on a weather map

Edgartown
+81°F
N 9 mph
Feels like: +82°F
Precip.: 4%
Places in USA:
Name
°F
+86°F
+95°F
+81°F
+104°F
+86°F
+88°F
+79°F
+88°F
+91°F
+79°F
+70°F
+75°F
+90°F
+97°F
+73°F
24 Hours Forecast
Edgartown
Local time: 17:17
August 12, wednesday
1800
81°F
N
9 mph
2100
72°F
N
11 mph
August 13, thursday
0000
68°F
NE
13 mph
0300
70°F
SE
11 mph
0600
68°F
E
8 mph
0900
70°F
N
14 mph
1200
70°F
NE
16 mph
1500
72°F
NE
16 mph
Units of measurement: °C / °F