New Haven, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Haven, a city in Nelson County, Kentucky.
Today
87°F
Sunny
Sunny, with a high near 87. Northeast wind around 3 mph.
7-day forecast for New Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Sunny | 3 mph NE | 0% |
| Tonight | 68°F | Mostly Clear | 2 mph N | 1% |
| Wednesday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph W | 25% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 mph S | 25% |
| Thursday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 22% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph S | 37% |
| Friday | 89°F | Chance Showers And Thunderstorms | 6 mph SW | 46% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 46% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 41% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 3 mph SW | 41% |
| Sunday | 90°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 mph SW | 22% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 22% |
| Monday | 91°F | Sunny | 2 to 6 mph SW | 13% |
| Monday Night | 73°F | Partly Cloudy then Slight Chance Rain Showers | 3 mph SW | 15% |
Forecast source: National Weather Service (api.weather.gov) for New Haven (37.659, -85.589). Updated through the day.
Growing snapshot for New Haven
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
191 days
Hardiness zone
7a
More local growing data for New Haven: nearby ZIP 40051 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hodgenville Lincoln P, Ky (11.9 mi from New Haven). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.