Owyhee County weather, town by town
5 places in Owyhee County, Idaho, 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 1935 to 2026. Station extremes, not official state records.
Owyhee County Weather Facts
Owyhee County has 5 places on myweatherrock (3 cities, 2 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 115°F at Swan Falls Ph on August 6, 1990. The coldest night is -22°F at Mtn Home Afb on January 22, 1962. The wettest day brought 1.59 inches of rain at Swan Falls Ph on June 10, 1954. The biggest single-day snow measured 10.98 inches at Glenns Ferry on January 17, 1935. Those are station measurements from NOAA's daily records, 1935 to 2026, not official state records. By area the largest place is Murphy, about 4 square miles.
About Owyhee County weather
The map on the Now tab shows every Owyhee 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 Owyhee County towns with station normals, the warmest month is July, when the day usually reaches 95°F, and the coldest is December, when the night usually falls to 22°F. March is the wettest, with rain on about 7 days. December nights run from about 20°F in Homedale to 26°F in Murphy.
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.
Owyhee County weather records
Measured at the NOAA stations serving these towns, daily records 1935 to 2026. Station extremes, not official state records.
Common questions about Owyhee County weather
- What is the hottest temperature recorded at a Owyhee County station?
- 115°F at Swan Falls Ph on August 6, 1990, in the NOAA daily station records myweatherrock holds (1935 to 2026).
- What is the coldest temperature recorded at a Owyhee County station?
- -22°F at Mtn Home Afb on January 22, 1962.
- What is the most rain a Owyhee County station has measured in one day?
- 1.59 inches at Swan Falls Ph on June 10, 1954.
- What is the biggest one-day snowfall at a Owyhee County station?
- 10.98 inches at Glenns Ferry on January 17, 1935.
- How many Owyhee County towns have a weather page here?
- 5: 3 cities, 2 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 Owyhee 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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