Dardenne Prairie, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dardenne Prairie, a city in St. Charles County, Missouri.
This Afternoon
58°F
Mostly Cloudy
Mostly cloudy, with a high near 58. West wind 7 to 12 mph, with gusts as high as 21 mph.
7-day forecast for Dardenne Prairie
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Mostly Cloudy | 7 to 12 mph W | 0% |
| Tonight | 43°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 61°F | Mostly Sunny | 6 to 10 mph W | 9% |
| Thursday Night | 43°F | Isolated Rain Showers then Mostly Cloudy | 6 mph NW | 16% |
| Friday | 54°F | Partly Sunny | 6 to 9 mph N | 4% |
| Friday Night | 31°F | Mostly Clear | 1 to 5 mph N | 0% |
| Saturday | 53°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 31°F | Mostly Clear | 1 mph NW | 0% |
| Sunday | 60°F | Sunny | 3 mph W | 0% |
| Sunday Night | 34°F | Clear | 1 mph W | 0% |
| Monday | 65°F | Sunny | 3 mph SW | 0% |
| Monday Night | 38°F | Clear | 3 mph SW | 1% |
| Tuesday | 66°F | Sunny | 2 mph W | 3% |
| Tuesday Night | 39°F | Mostly Clear | 1 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Dardenne Prairie (38.741, -90.715). Updated through the day.
Growing snapshot for Dardenne Prairie
Last spring frost
Apr 10
First fall frost
Oct 26
Growing season
199 days
Hardiness zone
6b
More local growing data for Dardenne Prairie: nearby ZIP 63368 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Augusta
Cottleville
Defiance
Flint Hill
Foristell
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, Weldon Spring Nws, Mo (4.4 mi from Dardenne Prairie). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.