Whatcom County weather, town by town
19 places in Whatcom County, Washington, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1903 to 2026. Station extremes, not official state records.
Whatcom County Weather Facts
Whatcom County has 19 places on myweatherrock (12 census-designated places, 7 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 106°F at Clearbrook on June 28, 2021. The coldest night is -10°F at Mf Nooksack on January 12, 2024. The wettest day brought 7.8 inches of rain at Elbow Lake on January 7, 2009. The biggest single-day snow measured 25.98 inches at Sumas Canal on November 16, 1996. Those are station measurements from NOAA's daily records, 1903 to 2026, not official state records. By area the largest place is Bellingham, about 28 square miles.
About Whatcom County weather
The map on the Now tab shows every Whatcom County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 19 Whatcom County towns with station normals, the warmest month is August, when the day usually reaches 73°F, and the coldest is December, when the night usually falls to 33°F. November is the wettest, with rain on about 19 days. August afternoons run from about 61°F in Glacier to 77°F in Deming. December nights run from about 26°F in Glacier to 36°F in Birch Bay.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Whatcom County weather records
Measured at the NOAA stations serving these towns, daily records 1903 to 2026. Station extremes, not official state records.
Common questions about Whatcom County weather
- What is the hottest temperature recorded at a Whatcom County station?
- 106°F at Clearbrook on June 28, 2021, in the NOAA daily station records myweatherrock holds (1903 to 2026).
- What is the coldest temperature recorded at a Whatcom County station?
- -10°F at Mf Nooksack on January 12, 2024.
- What is the most rain a Whatcom County station has measured in one day?
- 7.8 inches at Elbow Lake on January 7, 2009.
- What is the biggest one-day snowfall at a Whatcom County station?
- 25.98 inches at Sumas Canal on November 16, 1996.
- How many Whatcom County towns have a weather page here?
- 19: 12 census-designated places, 7 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Whatcom County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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