Measurements:
°C
°F
CURRENT WEATHER
10:58
Bellingham
54°F
N 9 mph
Feels like: 50°F
Precip: 100%
World Resorts USA Bellingham Weather

7 Day Weather Forecast

05.14
thu
DAY
54°F
N 9 mph
precip
100%
NIGHT
48°F
NE 9 mph
precip
100%
05.15
fri
DAY
46°F
N 3 mph
precip
100%
NIGHT
42°F
NW 6 mph
precip
100%
05.16
sat
DAY
50°F
N 2 mph
precip
100%
NIGHT
46°F
NW 7 mph
precip
60%
05.17
sun
DAY
52°F
N 7 mph
precip
60%
NIGHT
44°F
NW 6 mph
precip
0%
05.18
mon
DAY
54°F
NE 7 mph
precip
0%
NIGHT
48°F
NW 4 mph
precip
0%
05.19
tue
DAY
56°F
N 5 mph
precip
47%
NIGHT
48°F
W 3 mph
precip
0%
05.20
wed
DAY
60°F
NE 4 mph
precip
27%
NIGHT
50°F
NW 11 mph
precip
0%

Bellingham Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Bellingham was 12.0°F. The maximum and minimum values were 11.1°F and 13.3°F respectively.

Bellingham on the Weather Map

Best Time to Visit Bellingham
The most sunny months:
July 21 days
August 18 days
June 11 days
The most warm months:
August 74.7 °F
July 74.1 °F
September 69.3 °F
Warmest sea temperature:
July 63.4 °F
August 63.4 °F
September 59.6 °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
more details