Jerome County weather, town by town
3 places in Jerome 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 1915 to 2026. Station extremes, not official state records.
Jerome County Weather Facts
Jerome County has 3 places on myweatherrock (3 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 110°F at Jerome on June 19, 1940. The coldest night is -25°F at Jerome on January 21, 1937. The wettest day brought 2.08 inches of rain at Jerome Co Ap on April 8, 2009. The biggest single-day snow measured 7.99 inches at Jerome on February 2, 1916. Those are station measurements from NOAA's daily records, 1915 to 2026, not official state records. By area the largest place is Jerome, about 6 square miles.
About Jerome County weather
The map on the Now tab shows every Jerome 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 3 Jerome County towns with station normals, the warmest month is July, when the day usually reaches 90°F, and the coldest is January, when the night usually falls to 21°F. December is the wettest, with rain on about 9 days. July afternoons run from about 89°F in Eden to 92°F in Jerome.
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.
Jerome County weather records
Measured at the NOAA stations serving these towns, daily records 1915 to 2026. Station extremes, not official state records.
Common questions about Jerome County weather
- What is the hottest temperature recorded at a Jerome County station?
- 110°F at Jerome on June 19, 1940, in the NOAA daily station records myweatherrock holds (1915 to 2026).
- What is the coldest temperature recorded at a Jerome County station?
- -25°F at Jerome on January 21, 1937.
- What is the most rain a Jerome County station has measured in one day?
- 2.08 inches at Jerome Co Ap on April 8, 2009.
- What is the biggest one-day snowfall at a Jerome County station?
- 7.99 inches at Jerome on February 2, 1916.
- How many Jerome County towns have a weather page here?
- 3: 3 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 Jerome 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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