Nortonville, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Nortonville, a city in Hopkins County, Kentucky.
Overnight
64°F
Mostly Clear
Mostly clear. Low around 64, with temperatures rising to around 66 overnight. North northeast wind around 2 mph.
7-day forecast for Nortonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Mostly Clear | 2 mph NNE | 0% |
| Tuesday | 85°F | Sunny | 5 mph NE | 0% |
| Tuesday Night | 66°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Wednesday | 88°F | Sunny | 2 mph NW | 0% |
| Wednesday Night | 69°F | Mostly Clear | 1 mph S | 1% |
| Thursday | 90°F | Mostly Sunny | 5 mph SW | 5% |
| Thursday Night | 72°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph S | 20% |
| Friday | 89°F | Chance Showers And Thunderstorms | 6 mph SSW | 37% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SSW | 37% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 5 mph SW | 39% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 39% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 21% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 20% |
| Monday | 90°F | Sunny | 5 mph SW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Nortonville (37.185, -87.455). Updated through the day.
Growing snapshot for Nortonville
Last spring frost
Apr 2
First fall frost
Nov 1
Growing season
212 days
Hardiness zone
7a
More local growing data for Nortonville: nearby ZIP 42442 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Madisonville, Ky (11.8 mi from Nortonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.