Measurements:
°C
°F
Bellingham
50°F
N 3 mph
Feels like: 48°F
Precip: 38%
World Resorts USA Bellingham Weather

Bellingham Sea Water Temperature

Current Sea Water Temperature:
+52.4°F
Maximum Sea Water Temperature in October: 60.0°F
Minimum Sea Water Temperature in October: 48.8°F
Average water temperature in October: 53.4°F

Sea Water Temperature for the Last 10 Days:

October 26 52.4°F October 21 52.6°F
October 25 52.4°F October 20 53.0°F
October 24 52.2°F October 19 53.2°F
October 23 52.6°F October 18 53.6°F
October 22 53.2°F October 17 53.4°F

When is the Warmest Sea for Bellingham?

According to our data for the last three years for Bellingham 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Bellingham was 63.4°F. The maximum and minimum values were 59.6°F and 67.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Bellingham was 61.3°F. The maximum and minimum values were 58.2°F and 64.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Bellingham was 58.8°F. The maximum and minimum values were 55.2°F and 62.8°F respectively.

Best Time to Visit Bellingham
The most sunny months:
July 22 days
August 18 days
June 13 days
The most warm months:
August 74.8 °F
July 74.2 °F
September 68.6 °F
Warmest sea temperature:
August 63.4 °F
July 63.1 °F
September 59.5 °F
The most cold months:
December 40.7 °F
January 41.1 °F
February 42.0 °F
The most rainy months:
November 7 days
January 6 days
December 5 days
The most windy months:
December 5 mph
February 4 mph
March 4 mph

Bellingham on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +76
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +66
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +74
Washington +56
24 Hours Weather Forecast
Bellingham
Local time: 19:43
26 oct, monday
2100 50°F
N
3 mph
27 oct, tuesday
0000 48°F
N
4 mph
0300 48°F
N
5 mph
0600 48°F
N
5 mph
0900 48°F
N
6 mph
1200 50°F
N
9 mph
1500 50°F
N
11 mph
1800 50°F
N
9 mph