Foristell, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foristell, a city in St. Charles County, Missouri.
This Afternoon
58°F
Cloudy
Cloudy, with a high near 58. West wind 7 to 12 mph, with gusts as high as 21 mph.
7-day forecast for Foristell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Cloudy | 7 to 12 mph W | 0% |
| Tonight | 42°F | Partly Cloudy | 3 to 7 mph W | 0% |
| Thursday | 60°F | Mostly Sunny | 6 to 10 mph W | 10% |
| Thursday Night | 43°F | Isolated Rain Showers then Mostly Cloudy | 6 mph NW | 17% |
| Friday | 54°F | Partly Sunny | 5 to 8 mph N | 4% |
| Friday Night | 30°F | Mostly Clear | 3 mph N | 0% |
| Saturday | 54°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 31°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 61°F | Sunny | 3 mph W | 0% |
| Sunday Night | 34°F | Clear | 1 mph W | 0% |
| Monday | 66°F | Sunny | 1 to 5 mph SW | 0% |
| Monday Night | 38°F | Clear | 3 mph SW | 1% |
| Tuesday | 67°F | Sunny | 3 mph W | 3% |
| Tuesday Night | 40°F | Mostly Clear | 1 mph NW | 3% |
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
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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 Nov 4, 2026.