World Resorts USA Bellingham Weather

Bellingham sea water temperature

Current sea water temperature:
+52.0°F
Minimum sea water temperature in April: 54.0°F
Maximum sea water temperature in April: 46.2°F
Average sea water temperature in April: 49.1°F

Sea water temperature for the last 10 days:

April 29 52.0°F April 24 52.2°F
April 28 53.1°F April 23 51.3°F
April 27 51.4°F April 22 51.8°F
April 26 51.1°F April 21 50.7°F
April 25 51.4°F April 20 50.2°F

When is the warmest sea in Bellingham?

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

Monthly Sea Temperatures in Bellingham, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 63.5°F and 58.8°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 60.5°F. The highest and lowest sea temperatures during the month were 64.6°F and 56.7°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 59.8°F. The highest and lowest sea temperatures during the month were 63.9°F and 55.2°F.

Best time for vacation in Bellingham

Sunniest months:
July 21 days
August 18 days
June 11 days
Warmest months:
August 72.3 °F
July 71.7 °F
September 67.4 °F
Warmest sea temp:
July 62.0 °F
August 62.0 °F
September 58.7 °F
Coldest months:
December 41.6 °F
January 42.0 °F
February 42.8 °F
Rainiest months:
November 7 days
January 6 days
October 5 days
Windiest months:
December 5.1 mph
February 4.8 mph
March 4.6 mph

Bellingham on a weather map

Bellingham
+45°F
SW 3 mph
Feels like: +45°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+75°F
+52°F
24 Hours Forecast
Bellingham
Local time: 05:24
April 29, wednesday
0600
45°F
SW
3 mph
0900
52°F
S
3 mph
1200
59°F
E
7 mph
1500
59°F
E
6 mph
1800
55°F
SE
3 mph
2100
48°F
N
1 mph
April 30, thursday
0000
46°F
NW
5 mph
0300
45°F
W
4 mph
Units of measurement: °C / °F