New Haven, MO Weather & Growing Conditions
This Afternoon
97°F
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 102. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Mostly Sunny | 3 mph SW | 0% |
| Tonight | 69°F | Partly Cloudy | 2 mph SW | 4% |
| Sunday | 91°F | Slight Chance Rain Showers then Partly Sunny | 2 mph W | 22% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph NE | 74% |
| Monday | 78°F | Showers And Thunderstorms Likely | 1 to 5 mph NE | 74% |
| Monday Night | 57°F | Showers And Thunderstorms Likely | 5 mph N | 58% |
| Tuesday | 70°F | Partly Sunny | 6 mph N | 9% |
| Tuesday Night | 51°F | Mostly Cloudy | 1 to 5 mph N | 1% |
| Wednesday | 72°F | Mostly Sunny | 3 mph N | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph N | 0% |
| Thursday | 75°F | Mostly Sunny | 2 mph NE | 1% |
| Thursday Night | 55°F | Mostly Cloudy | 1 mph N | 10% |
| Friday | 78°F | Slight Chance Rain Showers | 2 mph NE | 24% |
| Friday Night | 57°F | Slight Chance Rain Showers then Mostly Cloudy | 1 mph NE | 24% |
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 Sep 19, 2026.