Island County weather, town by town
7 places in Island 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 1945 to 2025. Station extremes, not official state records.
Island County Weather Facts
Island County has 7 places on myweatherrock (4 census-designated places, 2 cities, 1 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 100°F at Everett Snohomish Co Ap on July 29, 2009. The coldest night is -1°F at Whidbey Island Nas on January 25, 1950. The wettest day brought 3.62 inches of rain at Everett on November 25, 1990. The biggest single-day snow measured 12.99 inches at Sedro-Woolley on February 24, 2011. Those are station measurements from NOAA's daily records, 1945 to 2025, not official state records. By area the largest place is Camano, about 40 square miles.
About Island County weather
The map on the Now tab shows every Island 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 7 Island County towns with station normals, the warmest month is August, when the day usually reaches 72°F, and the coldest is February, when the night usually falls to 35°F. January is the wettest, with rain on about 10 days. August afternoons run from about 68°F in Oak Harbor to 74°F in Camano. February nights run from about 33°F in Camano to 36°F in Clinton.
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.
Island County weather records
Measured at the NOAA stations serving these towns, daily records 1945 to 2025. Station extremes, not official state records.
Common questions about Island County weather
- What is the hottest temperature recorded at a Island County station?
- 100°F at Everett Snohomish Co Ap on July 29, 2009, in the NOAA daily station records myweatherrock holds (1945 to 2025).
- What is the coldest temperature recorded at a Island County station?
- -1°F at Whidbey Island Nas on January 25, 1950.
- What is the most rain a Island County station has measured in one day?
- 3.62 inches at Everett on November 25, 1990.
- What is the biggest one-day snowfall at a Island County station?
- 12.99 inches at Sedro-Woolley on February 24, 2011.
- How many Island County towns have a weather page here?
- 7: 4 census-designated places, 2 cities, 1 towns. 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 Island 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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