Measurements:
°C
°F
Whidbey Island
38°F
N 9 mph
Feels like: 30°F
Precip: 0%
World Resorts USA Whidbey Island Weather

Whidbey Island Sea Water Temperature

Current Sea Water Temperature:
+47.2°F
Maximum Sea Water Temperature in January: 48.6°F
Minimum Sea Water Temperature in January: 43.0°F
Average water temperature in January: 46.2°F

Sea Water Temperature for the Last 10 Days:

January 08 47.2°F January 03 46.8°F
January 07 46.4°F January 02 47.0°F
January 06 46.6°F January 01 47.2°F
January 05 46.8°F December 31 47.0°F
January 04 46.6°F December 30 47.0°F

When is the Warmest Sea for Whidbey Island?

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

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Whidbey Island was 60.6°F. The maximum and minimum values were 57.8°F and 62.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Whidbey Island was 59.2°F. The maximum and minimum values were 57.6°F and 61.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Whidbey Island was 59.4°F. The maximum and minimum values were 56.0°F and 62.6°F respectively.

Best Time to Visit Whidbey Island
The most sunny months:
July 19 days
August 17 days
September 13 days
The most warm months:
August 69.2 °F
July 68.6 °F
September 64.7 °F
Warmest sea temperature:
August 60.8 °F
July 59.8 °F
September 58.5 °F
The most cold months:
January 42.0 °F
February 42.3 °F
December 42.3 °F
The most rainy months:
January 5 days
November 4 days
April 3 days
The most windy months:
January 7 mph
December 7 mph
November 7 mph

Whidbey Island on the Weather Map

USA Resorts:
NAME
Chicago +54
Hawaii +78
Honolulu +78
Houston +78
Las Vegas +54
Los Angeles +58
Maui +72
Miami +86
Miami Beach +80
New York +52
San Diego +64
San Francisco +52
Sarasota +82
Tampa +88
Washington +60
24 Hours Weather Forecast
Whidbey Island
Local time: 12:32
08 jan, thursday
1500 40°F
N
6 mph
1800 40°F
NW
4 mph
2100 40°F
NW
4 mph
09 jan, friday
0000 40°F
NW
4 mph
0300 42°F
NW
3 mph
0600 44°F
NW
2 mph
0900 44°F
NW
4 mph
1200 44°F
NW
5 mph