Foristell, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foristell, a city in St. Charles County, Missouri.
Overnight
64°F
Clear
Clear, with a low around 64. South wind around 2 mph.
7-day forecast for Foristell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Clear | 2 mph S | 0% |
| Tuesday | 90°F | Sunny | 3 mph S | 0% |
| Tuesday Night | 69°F | Mostly Clear | 3 mph S | 1% |
| Wednesday | 90°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 mph S | 25% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 72% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 3 mph S | 72% |
| Thursday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 mph SE | 17% |
| Friday | 88°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 2 mph SW | 17% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph S | 30% |
| Saturday | 90°F | Chance Showers And Thunderstorms then Mostly Sunny | 3 mph SW | 30% |
| Saturday Night | 72°F | Mostly Clear | 5 mph S | 5% |
| Sunday | 92°F | Sunny | 7 mph SW | 3% |
| Sunday Night | 74°F | Mostly Clear | 7 mph S | 5% |
| Monday | 93°F | Sunny | 7 mph SW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Foristell (38.814, -90.959). Updated through the day.
Growing snapshot for Foristell
Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6b
More local growing data for Foristell: nearby ZIP 63348 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Augusta
Cottleville
Dardenne Prairie
Defiance
Flint Hill
Josephville
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, Warrenton 1 N, Mo (11 mi from Foristell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.