Grundy County weather, town by town
7 places in Grundy County, Tennessee, 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 1938 to 2026. Station extremes, not official state records.
Grundy County Weather Facts
Grundy County has 7 places on myweatherrock (4 towns, 2 cities, 1 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 104°F at Whitwell-Sequatchie Vly on June 30, 2012. The coldest night is -20°F at Monteagle on January 21, 1985. The wettest day brought 7.85 inches of rain at Whitwell-Sequatchie Vly on February 16, 2003. The biggest single-day snow measured 15 inches at Monteagle on January 29, 1966. Those are station measurements from NOAA's daily records, 1938 to 2026, not official state records. By area the largest place is Altamont, about 20 square miles.
About Grundy County weather
The map on the Now tab shows every Grundy 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 7 Grundy 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 26°F. July is the wettest, with rain on about 13 days. July afternoons run from about 83°F in Pelham to 87°F in Palmer. January nights run from about 25°F in Altamont to 30°F in Palmer.
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.
Grundy County weather records
Measured at the NOAA stations serving these towns, daily records 1938 to 2026. Station extremes, not official state records.
Common questions about Grundy County weather
- What is the hottest temperature recorded at a Grundy County station?
- 104°F at Whitwell-Sequatchie Vly on June 30, 2012, in the NOAA daily station records myweatherrock holds (1938 to 2026).
- What is the coldest temperature recorded at a Grundy County station?
- -20°F at Monteagle on January 21, 1985.
- What is the most rain a Grundy County station has measured in one day?
- 7.85 inches at Whitwell-Sequatchie Vly on February 16, 2003.
- What is the biggest one-day snowfall at a Grundy County station?
- 15 inches at Monteagle on January 29, 1966.
- How many Grundy County towns have a weather page here?
- 7: 4 towns, 2 cities, 1 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 Grundy 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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