Measurements:
°C
°F
Washington
32°F
NW 4 mph
Feels like: 30°F
Precip: 0%
World Resorts USA Washington Weather

Washington Sea Water Temperature

Current Sea Water Temperature:
+43.0°F
Maximum Sea Water Temperature in December: 56.4°F
Minimum Sea Water Temperature in December: 36.2°F
Average water temperature in December: 46.1°F

Sea Water Temperature for the Last 10 Days:

December 18 43.0°F December 13 51.2°F
December 17 42.8°F December 12 51.4°F
December 16 46.2°F December 11 51.8°F
December 15 48.2°F December 10 52.0°F
December 14 50.4°F December 09 52.2°F

When is the Warmest Sea for Washington?

According to our data for the last three years for Washington the highest average sea water temperature was in July, August and June.

Average Water Temperature by Month, °F

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Washington was 88.6°F. The maximum and minimum values were 84.6°F and 91.4°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Washington was 84.9°F. The maximum and minimum values were 78.6°F and 89.8°F respectively.

Sea Water Temperature in June

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Washington was 78.8°F. The maximum and minimum values were 67.6°F and 89.4°F respectively.

Best Time to Visit Washington
The most sunny months:
November 16 days
June 15 days
October 15 days
The most warm months:
July 93.5 °F
August 90.3 °F
June 86.7 °F
Warmest sea temperature:
July 84.7 °F
August 83.2 °F
June 78.3 °F
The most cold months:
January 38.5 °F
February 43.4 °F
December 45.7 °F
The most rainy months:
August 5 days
May 5 days
June 5 days
The most windy months:
April 9 mph
March 9 mph
February 8 mph

Washington on the Weather Map

USA Resorts:
NAME
Chicago +44
Hawaii +76
Honolulu +76
Houston +64
Las Vegas +46
Los Angeles +54
Maui +70
Miami +76
Miami Beach +78
New York +32
San Diego +50
San Francisco +46
Sarasota +68
Tampa +68
Washington +32
24 Hours Weather Forecast
Washington
Local time: 07:37
18 dec, thursday
0900 32°F
NW
4 mph
1200 52°F
NW
6 mph
1500 62°F
N
6 mph
1800 52°F
N
6 mph
2100 44°F
NW
5 mph
19 dec, friday
0000 48°F
N
12 mph
0300 52°F
N
14 mph
0600 54°F
N
12 mph