World Resorts USA Whidbey Island Weather

Whidbey Island sea water temperature

Current sea water temperature:
+47.7°F
Minimum sea water temperature in March: 50.0°F
Maximum sea water temperature in March: 44.8°F
Average sea water temperature in March: 46.8°F

Sea water temperature for the last 10 days:

March 18 47.7°F March 13 47.1°F
March 17 47.3°F March 12 47.5°F
March 16 46.9°F March 11 47.8°F
March 15 47.3°F March 10 48.2°F
March 14 46.8°F March 9 48.7°F

When is the warmest sea in Whidbey Island?

Based on the data about daily sea water temperature for the last three years the warmest sea in Whidbey Island was noticed in August, July and September.

Monthly Sea Temperatures in Whidbey Island, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 59.5°F. The highest and lowest sea temperatures during the month were 61.3°F and 57.0°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 58.3°F. The highest and lowest sea temperatures during the month were 60.3°F and 56.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 58.4°F. The highest and lowest sea temperatures during the month were 61.3°F and 55.4°F.

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:
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
+52°F
N 16 mph
Feels like: +46°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+75°F
+75°F
+79°F
+70°F
+66°F
+70°F
+70°F
+32°F
+63°F
+59°F
+57°F
+54°F
+61°F
+36°F
24 Hours Forecast
Whidbey Island
Local time: 20:13
March 18, wednesday
2100
52°F
N
16 mph
March 19, thursday
0000
52°F
N
15 mph
0300
52°F
N
14 mph
0600
50°F
N
10 mph
0900
50°F
N
13 mph
1200
55°F
N
16 mph
1500
54°F
N
13 mph
1800
54°F
N
11 mph
Units of measurement: °C / °F