Green Park, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green Park, a city in St. Louis County, Missouri.
Overnight
68°F
Clear
Clear, with a low around 68. Southeast wind around 2 mph.
7-day forecast for Green Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Clear | 2 mph SE | 0% |
| Tuesday | 90°F | Patchy Fog then Sunny | 3 mph S | 0% |
| Tuesday Night | 69°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 91°F | Sunny | 5 mph S | 8% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 6 mph S | 63% |
| Thursday | 88°F | Showers And Thunderstorms Likely | 5 mph S | 68% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 3 mph SE | 36% |
| Friday | 88°F | Chance Showers And Thunderstorms | 3 mph SW | 36% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 2 mph S | 29% |
| Saturday | 91°F | Chance Showers And Thunderstorms then Mostly Sunny | 3 mph SW | 29% |
| Saturday Night | 73°F | Mostly Clear | 6 mph S | 7% |
| Sunday | 93°F | Sunny | 7 mph S | 7% |
| Sunday Night | 74°F | Mostly Clear | 7 mph S | 5% |
| Monday | 95°F | Sunny | 7 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Green Park (38.523, -90.338). Updated through the day.
Growing snapshot for Green Park
Last spring frost
Apr 1
First fall frost
Nov 4
Growing season
218 days
Hardiness zone
7a
More local growing data for Green Park: nearby ZIP 63123 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
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Chesterfield
Clarkson Valley
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Country Club Hills
Country Life Acres
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Crystal Lake Park
Dellwood
Des Peres
Edmundson
Climate data from the nearest NOAA station, St Louis Sci Ctr, Mo (6.5 mi from Green Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.