World Resorts USA Whidbey Island Weather

Whidbey Island weather in October

Weather in Whidbey Island: October

Average day temperature: 55.2°F
Average night temperature: 48.9°F
Sea water temperature: 54.1°F
Number of sunny days: 10 days
Day length: 10.0 - 11.6 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 70°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during October were 56.3°F and 47.0°F.

Sea water temperature in Whidbey Island in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 54.2°F. The highest and lowest sea temperatures during the month were 56.7°F and 52.0°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in October is almost equal.

Precipitation total in October, in.

Precipitation total value in Whidbey Island in October is 1.3 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 5.7 mph

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 October is: 5.9.

Best time for vacation in Whidbey Island

Sunniest months:
July 19 days
August 17 days
September 13 days
Warmest months:
August 67.3 °F
July 66.7 °F
September 63.2 °F
Warmest sea temp:
August 59.7 °F
July 58.8 °F
September 57.7 °F
Coldest months:
February 43.0 °F
December 43.1 °F
January 43.2 °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
NW 2 mph
Feels like: +55°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+77°F
+77°F
+73°F
+75°F
+52°F
+55°F
+72°F
+16°F
+63°F
+66°F
+50°F
+46°F
+64°F
+27°F
24 Hours Forecast
Whidbey Island
Local time: 16:37
February 05, thursday
1800
55°F
NW
2 mph
2100
50°F
NW
5 mph
February 06, friday
0000
48°F
NW
3 mph
0300
50°F
W
2 mph
0600
50°F
NW
3 mph
0900
46°F
N
2 mph
1200
54°F
N
6 mph
1500
57°F
N
4 mph
Units of measurement: °C / °F