New Haven, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Haven, a city in Nelson County, Kentucky.
Tonight
63°F
Showers And Thunderstorms
A chance of rain showers between 11pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for New Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 63°F | Showers And Thunderstorms | 7 to 10 mph S | 96% |
| Wednesday | 72°F | Showers And Thunderstorms | 6 to 12 mph S | 99% |
| Wednesday Night | 49°F | Partly Cloudy | 1 to 5 mph SW | 4% |
| Thursday | 70°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 2 mph W | 0% |
| Friday | 67°F | Mostly Sunny | 0 to 6 mph NW | 8% |
| Friday Night | 41°F | Mostly Cloudy | 1 to 5 mph N | 8% |
| Saturday | 59°F | Mostly Sunny | 1 to 5 mph N | 2% |
| Saturday Night | 35°F | Partly Cloudy | 2 mph N | 1% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph W | 7% |
| Sunday Night | 33°F | Mostly Clear then Slight Chance Rain Showers | 0 to 3 mph NW | 15% |
| Monday | 64°F | Slight Chance Rain Showers then Sunny | 1 to 6 mph NW | 15% |
| Monday Night | 35°F | Mostly Clear | 3 mph SW | 6% |
| Tuesday | 67°F | Sunny | 2 to 6 mph SW | 1% |
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 Nov 4, 2026.