De Soto, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Soto, a city in Jefferson County, Missouri.
Today
90°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 90. Southeast wind 0 to 3 mph.
7-day forecast for De Soto
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Patchy Fog then Sunny | 0 to 3 mph SE | 0% |
| Tonight | 66°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 93°F | Sunny | 3 mph S | 6% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms | 3 mph S | 56% |
| Thursday | 89°F | Showers And Thunderstorms Likely | 3 mph S | 67% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 2 mph S | 44% |
| Friday | 89°F | Chance Showers And Thunderstorms | 2 mph SW | 44% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph SW | 36% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 2 mph SW | 36% |
| Saturday Night | 71°F | Partly Cloudy | 3 mph S | 11% |
| Sunday | 93°F | Sunny | 5 mph SW | 6% |
| Sunday Night | 73°F | Mostly Clear | 6 mph S | 5% |
| Monday | 95°F | Sunny | 6 mph SW | 5% |
| Monday Night | 75°F | Partly Cloudy | 6 mph S | 7% |
Forecast source: National Weather Service (api.weather.gov) for De Soto (38.141, -90.561). Updated through the day.
Growing snapshot for De Soto
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
6b
More local growing data for De Soto: nearby ZIP 63020 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Arnold
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Byrnes Mill
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Crystal City
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Festus
Herculaneum
High Ridge
Hillsboro
Horine
Imperial
Kimmswick
Murphy
Olympian Village
Parkdale
Peaceful Village
Pevely
Raintree Plantation
Scotsdale
Summer Set
Climate data from the nearest NOAA station, Festus, Mo (12.8 mi from De Soto). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.