Edmundson, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Edmundson, a city in St. Louis County, Missouri.
Tonight
76°F
Partly Cloudy
Partly cloudy, with a low around 76. South wind around 7 mph.
7-day forecast for Edmundson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 76°F | Partly Cloudy | 7 mph S | 11% |
| Saturday | 98°F | Mostly Sunny | 5 to 8 mph SW | 6% |
| Saturday Night | 76°F | Partly Cloudy | 6 mph SW | 3% |
| Sunday | 94°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph W | 25% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph N | 63% |
| Monday | 80°F | Showers And Thunderstorms Likely | 9 mph NE | 72% |
| Monday Night | 62°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 7 to 10 mph N | 72% |
| Tuesday | 73°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 23% |
| Tuesday Night | 57°F | Mostly Cloudy | 6 to 12 mph N | 6% |
| Wednesday | 75°F | Mostly Sunny | 8 mph N | 1% |
| Wednesday Night | 58°F | Partly Cloudy | 3 to 7 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 5 to 8 mph N | 4% |
| Thursday Night | 60°F | Partly Cloudy | 3 to 7 mph NE | 3% |
| Friday | 77°F | Mostly Sunny | 7 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Edmundson (38.735, -90.366). Updated through the day.
Growing snapshot for Edmundson
Last spring frost
Apr 2
First fall frost
Nov 4
Growing season
215 days
Hardiness zone
7a
More local growing data for Edmundson: nearby ZIP 63134 weather · frost dates · planting calendar · Missouri frost dates
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Climate data from the nearest NOAA station, St Louis Lambert Intl Ap, Mo (1.7 mi from Edmundson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.