Des Peres, MO Weather & Growing Conditions
This Afternoon
98°F
Mostly Sunny
Mostly sunny, with a high near 98. Heat index values as high as 101. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Mostly Sunny | 5 mph SW | 1% |
| Tonight | 75°F | Partly Cloudy | 2 to 6 mph SW | 1% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 18% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 8 mph NE | 68% |
| Monday | 80°F | Showers And Thunderstorms Likely | 7 mph NE | 68% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 54% |
| Tuesday | 72°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 10 mph N | 20% |
| Tuesday Night | 56°F | Mostly Cloudy | 5 to 10 mph N | 1% |
| Wednesday | 73°F | Mostly Sunny | 8 mph N | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 2 to 7 mph N | 0% |
| Thursday | 75°F | Mostly Sunny | 5 mph N | 1% |
| Thursday Night | 60°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 15% |
| Friday | 78°F | Slight Chance Rain Showers | 2 to 6 mph NE | 19% |
| Friday Night | 61°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Des Peres, MO
Last spring frost
Apr 4
First fall frost
Oct 29
Growing season
206 days
Hardiness zone
7a
Explore more for Des Peres, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, St Charles 7 Ssw, Mo (6.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.