Boise County weather, town by town
8 places in Boise 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 1896 to 2026. Station extremes, not official state records.
Boise County Weather Facts
Boise County has 8 places on myweatherrock (4 census-designated places, 4 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 Ola on July 5, 2007. The coldest night is -32°F at Ola on February 2, 1950. The wettest day brought 3 inches of rain at Centerville Cooper Dr on June 2, 1983. The biggest single-day snow measured 20.98 inches at Centerville Cooper Dr on December 29, 2010. Those are station measurements from NOAA's daily records, 1896 to 2026, not official state records. By area the largest place is Robie Creek, about 30 square miles.
About Boise County weather
The map on the Now tab shows every Boise 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 Boise County towns with station normals, the warmest month is July, when the day usually reaches 83°F, and the coldest is December, when the night usually falls to 18°F. March is the wettest, with rain on about 14 days. July afternoons run from about 75°F in Horseshoe Bend to 92°F in Banks. December nights run from about 16°F in Idaho to 22°F in Horseshoe Bend.
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.
Boise County weather records
Measured at the NOAA stations serving these towns, daily records 1896 to 2026. Station extremes, not official state records.
Common questions about Boise County weather
- What is the hottest temperature recorded at a Boise County station?
- 110°F at Ola on July 5, 2007, in the NOAA daily station records myweatherrock holds (1896 to 2026).
- What is the coldest temperature recorded at a Boise County station?
- -32°F at Ola on February 2, 1950.
- What is the most rain a Boise County station has measured in one day?
- 3 inches at Centerville Cooper Dr on June 2, 1983.
- What is the biggest one-day snowfall at a Boise County station?
- 20.98 inches at Centerville Cooper Dr on December 29, 2010.
- How many Boise County towns have a weather page here?
- 8: 4 census-designated places, 4 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 Boise 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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