Asotin County weather, town by town
5 places in Asotin 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 1948 to 2025. Station extremes, not official state records.
Asotin County Weather Facts
Asotin County has 5 places on myweatherrock (3 census-designated places, 2 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 115°F at Lewiston Ap on August 4, 1961. The coldest night is -22°F at Lewiston Ap on January 31, 1950. The wettest day brought 2.02 inches of rain at Asotin 14 Sw on August 23, 1989. The biggest single-day snow measured 12.01 inches at Asotin 14 Sw on February 23, 1994. Those are station measurements from NOAA's daily records, 1948 to 2025, not official state records. By area the largest place is Clarkston Heights-Vineland, about 12 square miles.
About Asotin County weather
The map on the Now tab shows every Asotin 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 5 Asotin County towns with station normals, the warmest month is July, when the day usually reaches 88°F, and the coldest is December, when the night usually falls to 29°F. March is the wettest, with rain on about 12 days. July afternoons run from about 78°F in Anatone to 90°F in Asotin.
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.
Asotin County weather records
Measured at the NOAA stations serving these towns, daily records 1948 to 2025. Station extremes, not official state records.
Common questions about Asotin County weather
- What is the hottest temperature recorded at a Asotin County station?
- 115°F at Lewiston Ap on August 4, 1961, in the NOAA daily station records myweatherrock holds (1948 to 2025).
- What is the coldest temperature recorded at a Asotin County station?
- -22°F at Lewiston Ap on January 31, 1950.
- What is the most rain a Asotin County station has measured in one day?
- 2.02 inches at Asotin 14 Sw on August 23, 1989.
- What is the biggest one-day snowfall at a Asotin County station?
- 12.01 inches at Asotin 14 Sw on February 23, 1994.
- How many Asotin County towns have a weather page here?
- 5: 3 census-designated places, 2 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 Asotin 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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