New Haven, IN Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 to 5 mph S | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 5 mph S | 0% |
| Wednesday | 86°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 65°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 19% |
| Thursday | 84°F | Showers And Thunderstorms Likely | 0 to 10 mph SW | 65% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 65% |
| Friday | 83°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Friday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Saturday Night | 66°F | Partly Cloudy | 5 to 10 mph SW | 14% |
| Sunday | 87°F | Mostly Sunny | 5 to 15 mph SW | 14% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms | 10 to 15 mph SW | 36% |
| Monday | 87°F | Chance Rain Showers | 10 to 15 mph SW | 36% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 47% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Haven, IN
Last spring frost
Apr 27
First fall frost
Oct 19
Growing season
174 days
Hardiness zone
6a
Explore more for New Haven, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Woodburn 3N, In (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.