Festus, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Festus, a city in Jefferson County, Missouri.
Today
88°F
Sunny
Sunny, with a high near 88. Southeast wind 2 to 6 mph.
7-day forecast for Festus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 2 to 6 mph SE | 0% |
| Tonight | 66°F | Mostly Clear | 1 to 6 mph SE | 0% |
| Wednesday | 92°F | Sunny | 3 mph S | 6% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 mph S | 56% |
| Thursday | 89°F | Showers And Thunderstorms Likely | 3 mph S | 65% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 2 mph S | 47% |
| Friday | 89°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 47% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph SW | 39% |
| Saturday | 91°F | Chance Showers And Thunderstorms | 2 mph S | 39% |
| Saturday Night | 71°F | Partly Cloudy | 3 mph S | 10% |
| Sunday | 93°F | Sunny | 5 mph SW | 7% |
| Sunday Night | 73°F | Mostly Clear | 5 mph S | 5% |
| Monday | 95°F | Sunny | 6 mph SW | 5% |
| Monday Night | 74°F | Mostly Clear | 6 mph SW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Festus (38.219, -90.410). Updated through the day.
Growing snapshot for Festus
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
7a
More local growing data for Festus: nearby ZIP 63019 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Arnold
Barnhart
Briarwood Estates
Byrnes Mill
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Crystal City
De Soto
Fenton
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 (1.3 mi from Festus). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.