Webster Groves, MO Weather & Growing Conditions
Overnight
76°F
Clear
Clear, with a low around 76. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 76°F | Clear | 3 mph S | 2% |
| Saturday | 98°F | Mostly Sunny | 3 to 7 mph SW | 5% |
| Saturday Night | 75°F | Partly Cloudy | 5 mph SW | 4% |
| Sunday | 94°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 mph W | 32% |
| Sunday Night | 69°F | Showers And Thunderstorms Likely | 7 mph NE | 66% |
| Monday | 79°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 66% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 6 to 9 mph N | 50% |
| Tuesday | 71°F | Slight Chance Rain Showers then Partly Sunny | 7 to 10 mph N | 21% |
| Tuesday Night | 56°F | Mostly Cloudy | 5 to 10 mph N | 3% |
| Wednesday | 74°F | Mostly Sunny | 8 mph N | 1% |
| Wednesday Night | 57°F | Partly Cloudy | 2 to 7 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 6 mph N | 1% |
| Thursday Night | 59°F | Mostly Cloudy | 5 mph NE | 4% |
| Friday | 77°F | Partly Sunny | 6 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Webster Groves, MO
Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
218 days
Hardiness zone
7a
Explore more for Webster Groves, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, St Louis Sci Ctr, Mo (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.