29.09
tue
tue
Day
55°F
NW 13 mph
Precip.
80%
80%
Night
50°F
NW 7 mph
Precip.
18%
18%
30.09
wed
wed
Day
55°F
SE 3 mph
Precip.
5%
5%
Night
50°F
SW 3 mph
Precip.
28%
28%
01.10
thu
thu
Day
55°F
SE 3 mph
Precip.
17%
17%
Night
50°F
S 4 mph
Precip.
58%
58%
02.10
fri
fri
Day
54°F
S 5 mph
Precip.
34%
34%
Night
50°F
SW 4 mph
Precip.
20%
20%
03.10
sat
sat
Day
59°F
SE 6 mph
Precip.
5%
5%
Night
54°F
SW 2 mph
Precip.
13%
13%
04.10
sun
sun
Day
63°F
SE 5 mph
Precip.
7%
7%
Night
55°F
NW 1 mph
Precip.
14%
14%
05.10
mon
mon
Day
59°F
NE 5 mph
Precip.
8%
8%
Night
54°F
W 2 mph
Precip.
13%
13%
sea water
temperature
temperature
| Bellingham |
monthly
weather
weather
| Bellingham |
current
weather
weather
| Bellingham |
14 days
forecast
forecast
| Bellingham |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 58.0°F. The highest and lowest sea temperatures during the month were 61.5°F and 54.7°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 52.8°F. The highest and lowest sea temperatures during the month were 57.0°F and 50.2°F.
Air temperature in Bellingham, °F
Precipitation total in Bellingham, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Bellingham
Bellingham on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bellingham
Local time: 15:50
September 29, tuesday
1800
55°F
NW
9 mph
9 mph
2100
52°F
NW
9 mph
9 mph
September 30, wednesday
0000
50°F
NW
7 mph
7 mph
0300
48°F
NW
6 mph
6 mph
0600
46°F
W
4 mph
4 mph
0900
50°F
W
2 mph
2 mph
1200
55°F
SE
3 mph
3 mph
1500
55°F
SE
6 mph
6 mph
