Calhoun, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calhoun, a city in Mclean County, Kentucky.
Tonight
61°F
Showers And Thunderstorms
Showers and thunderstorms after 9pm. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
7-day forecast for Calhoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Showers And Thunderstorms | 10 to 16 mph S | 100% |
| Wednesday | 73°F | Chance Rain Showers then Partly Sunny | 8 to 13 mph SW | 50% |
| Wednesday Night | 46°F | Partly Cloudy | 2 to 6 mph SW | 0% |
| Thursday | 70°F | Sunny | 2 to 8 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 3 mph WNW | 1% |
| Friday | 64°F | Partly Sunny | 2 to 10 mph NNW | 5% |
| Friday Night | 39°F | Mostly Cloudy | 3 to 8 mph NNW | 1% |
| Saturday | 58°F | Mostly Sunny | 3 to 7 mph NNW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 3 mph NW | 1% |
| Sunday | 61°F | Mostly Sunny | 1 to 7 mph W | 6% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 8% |
| Monday | 64°F | Sunny | 2 to 8 mph W | 5% |
| Monday Night | 36°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 68°F | Sunny | 3 to 7 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Calhoun (37.540, -87.259). Updated through the day.
Growing snapshot for Calhoun
Last spring frost
Apr 2
First fall frost
Nov 1
Growing season
211 days
Hardiness zone
7a
More local growing data for Calhoun: nearby ZIP 42371 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Calhoun Lock 2, Ky (2 mi from Calhoun). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.