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
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then patchy fog. Partly cloudy, with a low around 70. East wind around 1 mph. Chance of precipitation is 30%.
7-day forecast for New Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 1 mph E | 28% |
| Saturday | 95°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 2 mph S | 20% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 mph S | 19% |
| Sunday | 96°F | Mostly Sunny | 6 mph SW | 4% |
| Sunday Night | 71°F | Partly Cloudy | 3 mph N | 4% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph NE | 36% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 48% |
| Tuesday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 6 mph NE | 47% |
| Tuesday Night | 62°F | Chance Showers And Thunderstorms | 2 to 7 mph N | 47% |
| Wednesday | 78°F | Chance Rain Showers | 2 to 6 mph N | 35% |
| Wednesday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 6 mph N | 17% |
| Thursday | 78°F | Mostly Sunny | 1 to 5 mph N | 9% |
| Thursday Night | 59°F | Partly Cloudy | 1 to 5 mph N | 9% |
| Friday | 77°F | Mostly Sunny | 1 to 6 mph N | 3% |
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 Sep 19, 2026.