Josephville, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Josephville, a village in St. Charles County, Missouri.
Today
89°F
Mostly Sunny then Scattered Showers And Thunderstorms
Scattered showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Southwest wind around 6 mph. Chance of precipitation is 30%.
7-day forecast for Josephville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph SW | 33% |
| Tonight | 70°F | Showers And Thunderstorms | 3 mph N | 81% |
| Thursday | 85°F | Showers And Thunderstorms then Scattered Showers And Thunderstorms | 3 mph SW | 81% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 2 mph SE | 51% |
| Friday | 86°F | Chance Showers And Thunderstorms | 5 mph SW | 51% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph SW | 46% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms then Sunny | 2 mph SW | 19% |
| Saturday Night | 73°F | Mostly Clear | 1 to 5 mph S | 9% |
| Sunday | 93°F | Sunny | 7 mph S | 9% |
| Sunday Night | 75°F | Mostly Clear | 3 to 8 mph S | 5% |
| Monday | 94°F | Sunny | 9 mph SW | 5% |
| Monday Night | 75°F | Slight Chance Showers And Thunderstorms | 5 to 9 mph SW | 15% |
| Tuesday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph SW | 16% |
| Tuesday Night | 73°F | Chance Showers And Thunderstorms | 6 mph S | 34% |
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 Aug 5, 2026.