World Resorts USA Bellingham Weather

Bellingham sea water temperature

Current sea water temperature:
+58.6°F
Minimum sea water temperature in June: 63.7°F
Maximum sea water temperature in June: 51.4°F
Average sea water temperature in June: 57.1°F

Sea water temperature for the last 10 days:

June 28 58.6°F June 23 61.9°F
June 27 60.3°F June 22 62.4°F
June 26 61.7°F June 21 63.1°F
June 25 61.2°F June 20 62.2°F
June 24 60.8°F June 19 60.4°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 13 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
+68°F
E 2 mph
Feels like: +68°F
Precip.: 3%
Places in USA:
Name
°F
+68°F
+79°F
+97°F
+73°F
+84°F
+86°F
+75°F
+84°F
+72°F
+66°F
+75°F
+86°F
+84°F
+82°F
+68°F
24 Hours Forecast
Bellingham
Local time: 18:58
June 28, sunday
2100
61°F
N
2 mph
June 29, monday
0000
59°F
NW
5 mph
0300
57°F
NW
9 mph
0600
54°F
N
7 mph
0900
57°F
N
7 mph
1200
59°F
NE
6 mph
1500
61°F
NE
5 mph
1800
63°F
NE
4 mph
Units of measurement: °C / °F