Grantwood Village, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grantwood Village, a town in St. Louis County, Missouri.
This Afternoon
73°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 67 in the afternoon. South wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
7-day forecast for Grantwood Village
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Rain | 15 to 18 mph S | 98% |
| Tonight | 54°F | Light Rain | 8 to 14 mph S | 93% |
| Wednesday | 63°F | Mostly Cloudy | 6 to 12 mph W | 5% |
| Wednesday Night | 46°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 66°F | Sunny | 5 to 8 mph W | 1% |
| Thursday Night | 46°F | Mostly Cloudy | 6 mph NW | 11% |
| Friday | 58°F | Partly Sunny | 8 mph NW | 6% |
| Friday Night | 41°F | Mostly Cloudy | 5 mph N | 2% |
| Saturday | 56°F | Partly Sunny | 3 mph NW | 0% |
| Saturday Night | 39°F | Partly Cloudy | 2 mph NW | 1% |
| Sunday | 62°F | Sunny | 5 mph W | 9% |
| Sunday Night | 39°F | Mostly Clear | 3 mph W | 5% |
| Monday | 67°F | Sunny | 2 to 6 mph SW | 2% |
| Monday Night | 43°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grantwood Village (38.551, -90.354). Updated through the day.
Growing snapshot for Grantwood Village
Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
218 days
Hardiness zone
7a
More local growing data for Grantwood Village: nearby ZIP 63126 weather · frost dates · planting calendar · Missouri frost dates
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Climate data from the nearest NOAA station, St Louis Sci Ctr, Mo (8.1 mi from Grantwood Village). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.