Polk County weather, town by town
8 places in Polk County, Oregon, 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 1892 to 2026. Station extremes, not official state records.
Polk County Weather Facts
Polk County has 8 places on myweatherrock (4 cities, 4 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 117°F at Salem Ap (Mcnary Field) on June 28, 2021. The coldest night is -12°F at Salem Ap (Mcnary Field) on December 8, 1972. The wettest day brought 7.8 inches of rain at Falls City 2 Ssw on January 3, 1907. The biggest single-day snow measured 25 inches at Salem Ap (Mcnary Field) on February 1, 1937. Those are station measurements from NOAA's daily records, 1892 to 2026, not official state records. By area the largest place is Grand Ronde, about 19 square miles.
About Polk County weather
The map on the Now tab shows every Polk 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 8 Polk County towns with station normals, the warmest month is August, when the day usually reaches 81°F, and the coldest is December, when the night usually falls to 35°F. December is the wettest, with rain on about 17 days. August afternoons run from about 70°F in Grand Ronde to 83°F in Dallas. December nights run from about 33°F in Falls to 39°F in Grand Ronde.
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.
Polk County weather records
Measured at the NOAA stations serving these towns, daily records 1892 to 2026. Station extremes, not official state records.
Common questions about Polk County weather
- What is the hottest temperature recorded at a Polk County station?
- 117°F at Salem Ap (Mcnary Field) on June 28, 2021, in the NOAA daily station records myweatherrock holds (1892 to 2026).
- What is the coldest temperature recorded at a Polk County station?
- -12°F at Salem Ap (Mcnary Field) on December 8, 1972.
- What is the most rain a Polk County station has measured in one day?
- 7.8 inches at Falls City 2 Ssw on January 3, 1907.
- What is the biggest one-day snowfall at a Polk County station?
- 25 inches at Salem Ap (Mcnary Field) on February 1, 1937.
- How many Polk County towns have a weather page here?
- 8: 4 cities, 4 census-designated places. 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 Polk 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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