Measurements:
°C
°F
Bellingham
58°F
N 6 mph
Feels like: 56°F
Precip: 14%
World Resorts USA Bellingham Weather

Bellingham Sea Water Temperature

Current Sea Water Temperature:
+56.4°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 05 56.4°F September 30 55.6°F
October 04 55.8°F September 29 56.6°F
October 03 55.6°F September 28 55.8°F
October 02 55.2°F September 27 55.2°F
October 01 55.6°F September 26 56.6°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
October 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 +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Bellingham
Local time: 16:51
05 oct, monday
1800 58°F
N
6 mph
2100 54°F
NW
6 mph
06 oct, tuesday
0000 52°F
NW
6 mph
0300 52°F
NW
5 mph
0600 50°F
NW
3 mph
0900 54°F
W
1 mph
1200 60°F
SE
4 mph
1500 60°F
SE
6 mph