Linn County weather, town by town
18 places in Linn County, Iowa, 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.
Linn County Weather Facts
Linn County has 18 places on myweatherrock (18 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 Cedar Rapids #1 on July 6, 1911. The coldest night is -36°F at Manchester #2 on January 16, 2009. The wettest day brought 7.78 inches of rain at Cedar Rapids #1 on September 15, 1914. The biggest single-day snow measured 17.99 inches at Vinton on March 11, 1951. Those are station measurements from NOAA's daily records, 1892 to 2026, not official state records. By area the largest place is Cedar Rapids, about 75 square miles.
About Linn County weather
The map on the Now tab shows every Linn 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 18 Linn County towns with station normals, the warmest month is July, when the day usually reaches 84°F, and the coldest is January, when the night usually falls to 12°F. May is the wettest, with rain on about 13 days. July afternoons run from about 82°F in Coggon to 85°F in Alburnett. January nights run from about 8°F in Coggon to 13°F in Alburnett.
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.
Linn 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 Linn County weather
- What is the hottest temperature recorded at a Linn County station?
- 110°F at Cedar Rapids #1 on July 6, 1911, in the NOAA daily station records myweatherrock holds (1892 to 2026).
- What is the coldest temperature recorded at a Linn County station?
- -36°F at Manchester #2 on January 16, 2009.
- What is the most rain a Linn County station has measured in one day?
- 7.78 inches at Cedar Rapids #1 on September 15, 1914.
- What is the biggest one-day snowfall at a Linn County station?
- 17.99 inches at Vinton on March 11, 1951.
- How many Linn County towns have a weather page here?
- 18: 18 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 Linn 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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