Maryland Heights, MO Weather & Growing Conditions
Today
90°F
Sunny
Sunny, with a high near 90. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 5 mph S | 0% |
| Tonight | 71°F | Mostly Clear | 6 mph SE | 0% |
| Wednesday | 92°F | Sunny | 6 mph S | 12% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 7 mph S | 69% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 5 mph S | 69% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 1 to 5 mph SE | 26% |
| Friday | 88°F | Chance Showers And Thunderstorms | 5 mph SW | 26% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 3 mph S | 27% |
| Saturday | 91°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 mph SW | 27% |
| Saturday Night | 74°F | Mostly Clear | 6 mph S | 6% |
| Sunday | 93°F | Sunny | 5 to 8 mph SW | 5% |
| Sunday Night | 76°F | Mostly Clear | 7 mph S | 5% |
| Monday | 95°F | Mostly Sunny | 8 mph SW | 5% |
| Monday Night | 77°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 17% |
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 Aug 4, 2026.