Measurements:
°C
°F
Whidbey Island
74°F
S 6 mph
Feels like: 74°F
Precip: 4%
World Resorts USA Whidbey Island Weather

Whidbey Island Sea Water Temperature

Current Sea Water Temperature:
+60.0°F
Maximum Sea Water Temperature in August: 65.2°F
Minimum Sea Water Temperature in August: 57.6°F
Average water temperature in August: 60.8°F

Sea Water Temperature for the Last 10 Days:

August 05 60.0°F July 31 60.2°F
August 04 59.8°F July 30 59.6°F
August 03 60.2°F July 29 59.4°F
August 02 60.2°F July 28 58.4°F
August 01 60.4°F July 27 61.4°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Whidbey Island was 59.1°F. The maximum and minimum values were 55.8°F and 63.8°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 68.9 °F
September 64.7 °F
Warmest sea temperature:
August 60.8 °F
July 59.7 °F
September 58.5 °F
The most cold months:
December 42.3 °F
January 42.4 °F
February 43.0 °F
The most rainy months:
November 4 days
January 4 days
April 3 days
The most windy months:
December 7 mph
January 7 mph
November 7 mph

Whidbey Island on the Weather Map

USA Resorts:
NAME
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
Whidbey Island
Local time: 12:18
05 aug, wednesday
1500 80°F
S
7 mph
1800 80°F
S
6 mph
2100 66°F
S
5 mph
06 aug, thursday
0000 58°F
SW
2 mph
0300 56°F
N
1 mph
0600 56°F
NW
0 mph
0900 68°F
W
1 mph
1200 76°F
S
2 mph