Festus, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Festus, a city in Jefferson County, Missouri.
This Afternoon
75°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 75, with temperatures falling to around 67 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
7-day forecast for Festus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Rain | 15 mph S | 94% |
| Tonight | 50°F | Light Rain | 5 to 14 mph SW | 90% |
| Wednesday | 64°F | Mostly Cloudy | 5 to 10 mph W | 3% |
| Wednesday Night | 39°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 68°F | Sunny | 2 to 7 mph W | 2% |
| Thursday Night | 40°F | Mostly Cloudy | 3 mph NW | 11% |
| Friday | 59°F | Partly Sunny | 3 to 8 mph NW | 4% |
| Friday Night | 35°F | Mostly Cloudy | 0 to 5 mph NW | 2% |
| Saturday | 58°F | Partly Sunny | 0 to 3 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 64°F | Sunny | 1 to 5 mph W | 7% |
| Sunday Night | 32°F | Mostly Clear | 3 mph W | 6% |
| Monday | 68°F | Sunny | 1 to 5 mph W | 2% |
| Monday Night | 36°F | Mostly Clear | 3 mph SW | 1% |
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
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Byrnes Mill
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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 Nov 4, 2026.