New Haven, MO Weather & Growing Conditions
Tonight
48°F
Light Rain Likely then Chance Rain Showers
Rain likely before 9pm, then a chance of rain showers between 9pm and 4am. Cloudy, with a low around 48. Southwest wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Light Rain Likely then Chance Rain Showers | 6 to 13 mph SW | 64% |
| Wednesday | 63°F | Mostly Cloudy | 5 to 12 mph W | 3% |
| Wednesday Night | 37°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 66°F | Sunny | 3 to 7 mph W | 5% |
| Thursday Night | 37°F | Mostly Cloudy | 2 mph NW | 12% |
| Friday | 58°F | Mostly Cloudy | 2 to 6 mph NW | 4% |
| Friday Night | 33°F | Mostly Cloudy | 2 mph N | 3% |
| Saturday | 58°F | Partly Sunny | 1 mph NW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 0 mph | 3% |
| Sunday | 64°F | Sunny | 0 to 3 mph W | 8% |
| Sunday Night | 31°F | Mostly Clear | 1 mph NW | 3% |
| Monday | 68°F | Sunny | 1 to 5 mph W | 2% |
| Monday Night | 36°F | Mostly Clear | 1 mph W | 1% |
| Tuesday | 70°F | Sunny | 2 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Haven, MO
Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
6b
Explore more for New Haven, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Rosebud, Mo (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.