Maryland Heights, MO Weather & Growing Conditions
Overnight
76°F
Mostly Clear
Mostly clear, with a low around 76. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Mostly Clear | 7 mph S | 3% |
| Saturday | 98°F | Partly Sunny | 5 to 8 mph SW | 5% |
| Saturday Night | 75°F | Partly Cloudy | 6 mph SW | 4% |
| Sunday | 93°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 to 7 mph W | 38% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 6 to 9 mph NE | 68% |
| Monday | 78°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 68% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 39% |
| Tuesday | 71°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 20% |
| Tuesday Night | 56°F | Mostly Cloudy | 6 to 12 mph N | 3% |
| Wednesday | 74°F | Mostly Sunny | 9 mph N | 1% |
| Wednesday Night | 57°F | Partly Cloudy | 3 to 8 mph NE | 0% |
| Thursday | 76°F | Mostly Sunny | 3 to 7 mph N | 1% |
| Thursday Night | 59°F | Partly Cloudy | 2 to 7 mph NE | 3% |
| Friday | 77°F | Partly Sunny | 3 to 7 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Maryland Heights, MO
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7a
Explore more for Maryland Heights, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, St Louis Lambert Intl Ap, Mo (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.