Measurements:
°C
°F
Washington
72°F
SE 9 mph
Feels like: 72°F
Precip: 1%
World Resorts USA Washington Weather

Washington Sea Water Temperature

Current Sea Water Temperature:
+71.6°F
Maximum Sea Water Temperature in October: 80.0°F
Minimum Sea Water Temperature in October: 58.2°F
Average water temperature in October: 67.5°F

Sea Water Temperature for the Last 10 Days:

October 05 71.6°F September 30 69.0°F
October 04 72.8°F September 29 71.2°F
October 03 73.2°F September 28 72.0°F
October 02 71.4°F September 27 73.0°F
October 01 70.0°F September 26 73.8°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Washington was 87.2°F. The maximum and minimum values were 82.6°F and 92.2°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Washington was 86.4°F. The maximum and minimum values were 83.4°F and 89.4°F respectively.

Sea Water Temperature in June

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Washington was 80.7°F. The maximum and minimum values were 72.2°F and 87.6°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 93.6 °F
August 90.4 °F
June 87.0 °F
Warmest sea temperature:
July 84.9 °F
August 83.4 °F
June 78.4 °F
The most cold months:
January 38.3 °F
February 43.1 °F
December 45.4 °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
F°
Boston +62
Chicago +62
Hawaii +82
Houston +86
Las Vegas +96
Los Angeles +100
Maui +76
Miami +90
Myrtle Beach +74
New York +68
San Diego +88
San Francisco +68
Santa Monica +92
Sarasota +88
Washington +72
24 Hours Weather Forecast
Washington
Local time: 19:05
05 oct, monday
2100 64°F
SE
9 mph
06 oct, tuesday
0000 58°F
S
7 mph
0300 54°F
S
7 mph
0600 50°F
S
6 mph
0900 54°F
S
6 mph
1200 64°F
S
6 mph
1500 68°F
SE
4 mph
1800 66°F
E
1 mph