New Haven, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Haven, a city in Franklin County, Missouri.
Today
97°F
Partly Sunny
Partly sunny, with a high near 97. Heat index values as high as 100. Southwest wind around 5 mph.
7-day forecast for New Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Partly Sunny | 5 mph SW | 1% |
| Tonight | 68°F | Partly Cloudy | 1 mph SW | 4% |
| Sunday | 90°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 mph W | 43% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 3 mph N | 72% |
| Monday | 76°F | Showers And Thunderstorms Likely | 5 mph NE | 72% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 2 to 6 mph N | 29% |
| Tuesday | 69°F | Slight Chance Rain Showers then Partly Sunny | 6 mph N | 17% |
| Tuesday Night | 50°F | Mostly Cloudy | 1 to 5 mph N | 2% |
| Wednesday | 73°F | Mostly Sunny | 3 mph N | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph N | 0% |
| Thursday | 75°F | Mostly Sunny | 2 mph N | 2% |
| Thursday Night | 54°F | Mostly Cloudy | 1 mph N | 6% |
| Friday | 76°F | Slight Chance Rain Showers | 2 mph NE | 15% |
| Friday Night | 54°F | Partly Cloudy | 1 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for New Haven (38.605, -91.218). Updated through the day.
Growing snapshot for New Haven
Last spring frost
Apr 27
First fall frost
Oct 13
Growing season
168 days
Hardiness zone
6b
More local growing data for New Haven: nearby ZIP 63068 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Berger
Charmwood
Gerald
Gray Summit
LaBarque Creek
Lake St. Clair
Lake Tekakwitha
Leslie
Miramiguoa Park
Oak Grove Village
Pacific
Parkway
St. Clair
Stanton
Sullivan
Three Creeks
Union
Villa Ridge
Washington
Climate data from the nearest NOAA station, Rosebud, Mo (10.7 mi from New Haven). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.