Cedar Hill, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cedar Hill, a community in Jefferson County, Missouri.
Today
97°F
Mostly Sunny
Mostly sunny, with a high near 97. Heat index values as high as 101. Southwest wind around 5 mph.
7-day forecast for Cedar Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 97°F | Mostly Sunny | 5 mph SW | 1% |
| Tonight | 71°F | Partly Cloudy | 2 mph SW | 5% |
| Sunday | 93°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 mph W | 30% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 3 mph NE | 69% |
| Monday | 79°F | Showers And Thunderstorms Likely | 5 mph N | 69% |
| Monday Night | 57°F | Showers And Thunderstorms Likely | 2 to 6 mph N | 64% |
| Tuesday | 70°F | Slight Chance Rain Showers then Partly Sunny | 3 to 7 mph N | 22% |
| Tuesday Night | 52°F | Mostly Cloudy | 1 to 7 mph N | 4% |
| Wednesday | 73°F | Mostly Sunny | 5 mph N | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 3 mph N | 0% |
| Thursday | 75°F | Mostly Sunny | 0 to 3 mph N | 2% |
| Thursday Night | 55°F | Mostly Cloudy | 2 mph NE | 4% |
| Friday | 76°F | Partly Sunny | 0 to 5 mph NE | 9% |
| Friday Night | 55°F | Mostly Cloudy | 2 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Cedar Hill (38.358, -90.641). Updated through the day.
Growing snapshot for Cedar Hill
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
6b
More local growing data for Cedar Hill: nearby ZIP 63016 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Arnold
Barnhart
Briarwood Estates
Byrnes Mill
Cedar Hill Lakes
Crystal City
De Soto
Fenton
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 (16.2 mi from Cedar Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.