Hazelwood, MO Weather & Growing Conditions
Tonight
56°F
Rain
Rain and a slight chance of thunderstorms before 3am, then a chance of rain showers. Cloudy, with a low around 56. South wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain | 9 to 16 mph S | 84% |
| Wednesday | 63°F | Mostly Cloudy | 8 to 15 mph W | 9% |
| Wednesday Night | 47°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 65°F | Sunny | 6 to 10 mph W | 2% |
| Thursday Night | 47°F | Mostly Cloudy | 7 mph NW | 9% |
| Friday | 58°F | Mostly Cloudy | 7 to 10 mph NW | 5% |
| Friday Night | 42°F | Mostly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 56°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 40°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 62°F | Sunny | 2 to 7 mph W | 9% |
| Sunday Night | 40°F | Mostly Clear | 5 mph W | 4% |
| Monday | 66°F | Sunny | 3 to 7 mph SW | 2% |
| Monday Night | 45°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 69°F | Sunny | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hazelwood, MO
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7a
Explore more for Hazelwood, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, St Louis Lambert Intl Ap, Mo (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.