Josephville, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Josephville, a village in St. Charles County, Missouri.
Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. Southwest wind around 6 mph.
7-day forecast for Josephville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Partly Cloudy | 6 mph SW | 3% |
| Sunday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph NW | 19% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 mph N | 64% |
| Monday | 76°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 8 mph NE | 36% |
| Monday Night | 60°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph N | 30% |
| Tuesday | 70°F | Mostly Cloudy | 10 mph N | 9% |
| Tuesday Night | 53°F | Mostly Cloudy | 3 to 9 mph N | 1% |
| Wednesday | 71°F | Mostly Sunny | 5 to 8 mph N | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 6 mph NE | 0% |
| Thursday | 73°F | Mostly Sunny | 5 mph NE | 2% |
| Thursday Night | 56°F | Mostly Cloudy | 3 mph NE | 3% |
| Friday | 75°F | Partly Sunny | 5 mph NE | 5% |
| Friday Night | 55°F | Mostly Cloudy | 3 mph NE | 5% |
| Saturday | 77°F | Partly Sunny | 3 mph E | 10% |
Forecast source: National Weather Service (api.weather.gov) for Josephville (38.831, -90.788). Updated through the day.
Growing snapshot for Josephville
Last spring frost
Apr 10
First fall frost
Oct 26
Growing season
199 days
Hardiness zone
6b
More local growing data for Josephville: nearby ZIP 63367 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Augusta
Cottleville
Dardenne Prairie
Defiance
Flint Hill
Foristell
Lake St. Louis
New Melle
O'Fallon
St. Paul
St. Peters
Weldon Spring
Weldon Spring Heights
Wentzville
West Alton
Climate data from the nearest NOAA station, Weldon Spring Nws, Mo (8 mi from Josephville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.