Harman US

Des Peres, MO Weather & Growing Conditions

Today
98°F
Partly Sunny
Partly sunny, with a high near 98. Heat index values as high as 100. Southwest wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 98°F Partly Sunny 7 mph SW 2%
Tonight 74°F Partly Cloudy 6 mph SW 4%
Sunday 93°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 6 mph W 35%
Sunday Night 68°F Showers And Thunderstorms Likely 8 mph NE 67%
Monday 78°F Showers And Thunderstorms Likely 6 to 9 mph NE 67%
Monday Night 60°F Chance Showers And Thunderstorms 6 to 9 mph N 47%
Tuesday 71°F Slight Chance Rain Showers then Partly Sunny 10 mph N 21%
Tuesday Night 55°F Mostly Cloudy 5 to 10 mph N 3%
Wednesday 73°F Mostly Sunny 8 mph N 1%
Wednesday Night 57°F Partly Cloudy 3 to 7 mph N 0%
Thursday 76°F Mostly Sunny 6 mph N 1%
Thursday Night 59°F Partly Cloudy 5 mph NE 4%
Friday 77°F Mostly Sunny 6 mph NE 7%
Friday Night 59°F Partly Cloudy 6 mph NE 6%

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 19, 2026.