World Resorts USA Edgartown Weather

Edgartown sea water temperature

Current sea water temperature:
+34.3°F
Minimum sea water temperature in February: 41.5°F
Maximum sea water temperature in February: 30.7°F
Average sea water temperature in February: 36.5°F

Sea water temperature for the last 10 days:

February 26 34.3°F February 21 32.7°F
February 25 33.3°F February 20 33.1°F
February 24 34.0°F February 19 32.7°F
February 23 33.4°F February 18 32.4°F
February 22 33.1°F February 17 32.4°F

When is the warmest sea in Edgartown?

Based on the data about daily sea water temperature for the last three years the warmest sea in Edgartown was noticed in August, July and September.

Monthly Sea Temperatures in Edgartown, °F

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.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 69.3°F. The highest and lowest sea temperatures during the month were 71.6°F and 65.5°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 68.2°F. The highest and lowest sea temperatures during the month were 70.2°F and 66.4°F.

Best time for vacation in Edgartown

Sunniest months:
November 15 days
October 14 days
June 13 days
Warmest months:
July 74.0 °F
August 73.4 °F
September 69.3 °F
Warmest sea temp:
August 72.6 °F
July 71.2 °F
September 69.3 °F
Coldest months:
January 36.6 °F
February 37.1 °F
March 42.2 °F
Rainiest months:
January 3 days
April 3 days
October 3 days
Windiest months:
December 14.5 mph
January 14.5 mph
November 14.4 mph

Edgartown on a weather map

Edgartown
+41°F
E 5 mph
Feels like: +39°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+70°F
+70°F
+82°F
+77°F
+75°F
+73°F
+66°F
+45°F
+81°F
+59°F
+77°F
+77°F
+81°F
+36°F
24 Hours Forecast
Edgartown
Local time: 14:45
February 26, thursday
1500
41°F
E
5 mph
1800
36°F
SE
4 mph
2100
30°F
SE
4 mph
February 27, friday
0000
30°F
S
11 mph
0300
30°F
S
9 mph
0600
28°F
S
8 mph
0900
32°F
SE
4 mph
1200
37°F
NE
4 mph
Units of measurement: °C / °F