World Resorts USA Whidbey Island Weather

Whidbey Island weather in August

Weather in Whidbey Island: August

Average day temperature: 67.6°F
Average night temperature: 57.5°F
Sea water temperature: 59.7°F
Number of sunny days: 16 days
Day length: 13.4 - 15.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 84°F. At the same time the lowest night temperature was 52°F. Daily and nightly averages during August were 70.0°F and 55.1°F.

Sea water temperature in Whidbey Island in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 59.8°F. The highest and lowest sea temperatures during the month were 61.9°F and 57.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Whidbey Island in August is 0.6 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 5.1 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 9.5.

Best time for vacation in Whidbey Island

Sunniest months:
July 19 days
August 16 days
September 13 days
Warmest months:
August 67.6 °F
July 67.0 °F
September 63.2 °F
Warmest sea temp:
August 59.7 °F
July 58.7 °F
September 57.7 °F
Coldest months:
December 43.1 °F
January 43.2 °F
February 43.7 °F
Rainiest months:
November 4 days
January 4 days
April 3 days
Windiest months:
December 7.5 mph
January 7.5 mph
November 7.0 mph

Whidbey Island on a weather map

Whidbey Island
+55°F
W 2 mph
Feels like: +54°F
Precip.: 22%
Places in USA:
Name
°F
+59°F
+70°F
+77°F
+88°F
+72°F
+79°F
+61°F
+77°F
+64°F
+72°F
+57°F
+70°F
+75°F
+79°F
+72°F
24 Hours Forecast
Whidbey Island
Local time: 01:06
August 30, sunday
0300
54°F
NW
4 mph
0600
52°F
N
4 mph
0900
54°F
N
6 mph
1200
59°F
N
6 mph
1500
59°F
N
2 mph
1800
59°F
S
6 mph
2100
57°F
SE
7 mph
August 31, monday
0000
55°F
S
6 mph
Units of measurement: °C / °F