World Resorts USA Bellingham Weather

Bellingham sea water temperature

Current sea water temperature:
+65.5°F
Minimum sea water temperature in August: 66.0°F
Maximum sea water temperature in August: 56.3°F
Average sea water temperature in August: 62.1°F

Sea water temperature for the last 10 days:

August 14 65.5°F August 9 58.6°F
August 13 63.7°F August 8 59.4°F
August 12 63.7°F August 7 60.4°F
August 11 62.6°F August 6 59.7°F
August 10 61.3°F August 5 61.5°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:
2026
2025
2024

The average sea water temperature in July of 2026 was 60.1°F. The highest and lowest sea temperatures during the month were 63.0°F and 57.4°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 22 days
August 18 days
June 13 days
Warmest months:
August 72.3 °F
July 71.8 °F
September 67.4 °F
Warmest sea temp:
August 62.0 °F
July 61.8 °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
+59°F
NW 4 mph
Feels like: +59°F
Precip.: 10%
Places in USA:
Name
°F
+63°F
+75°F
+77°F
+77°F
+68°F
+81°F
+72°F
+75°F
+68°F
+66°F
+59°F
+68°F
+79°F
+79°F
+73°F
24 Hours Forecast
Bellingham
Local time: 04:13
August 14, friday
0600
55°F
NW
7 mph
0900
64°F
N
4 mph
1200
75°F
NE
4 mph
1500
70°F
NE
6 mph
1800
64°F
N
7 mph
2100
59°F
NW
7 mph
August 15, saturday
0000
57°F
NW
7 mph
0300
55°F
NW
9 mph
Units of measurement: °C / °F