Posey County weather, town by town
10 places in Posey County, Indiana, 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 1888 to 2026. Station extremes, not official state records.
Posey County Weather Facts
Posey County has 10 places on myweatherrock (5 census-designated places, 4 towns, 1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 113°F at 1 Wsw Princeton on July 13, 1936. The coldest night is -23°F at Evansville Rgnl Ap on February 2, 1951. The wettest day brought 7.4 inches of rain at Mt Vernon on April 29, 1996. The biggest single-day snow measured 19.02 inches at Evansville Museum on December 22, 2004. Those are station measurements from NOAA's daily records, 1888 to 2026, not official state records. By area the largest place is Mount Vernon, about 3 square miles.
About Posey County weather
The map on the Now tab shows every Posey 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 10 Posey County towns with station normals, the warmest month is July, when the day usually reaches 88°F, and the coldest is January, when the night usually falls to 24°F. May is the wettest, with rain on about 11 days. January nights run from about 22°F in Cynthiana to 27°F in Parkers Settlement.
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.
Posey County weather records
Measured at the NOAA stations serving these towns, daily records 1888 to 2026. Station extremes, not official state records.
Common questions about Posey County weather
- What is the hottest temperature recorded at a Posey County station?
- 113°F at 1 Wsw Princeton on July 13, 1936, in the NOAA daily station records myweatherrock holds (1888 to 2026).
- What is the coldest temperature recorded at a Posey County station?
- -23°F at Evansville Rgnl Ap on February 2, 1951.
- What is the most rain a Posey County station has measured in one day?
- 7.4 inches at Mt Vernon on April 29, 1996.
- What is the biggest one-day snowfall at a Posey County station?
- 19.02 inches at Evansville Museum on December 22, 2004.
- How many Posey County towns have a weather page here?
- 10: 5 census-designated places, 4 towns, 1 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 Posey 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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