Valley Park, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Valley Park, a city in St. Louis County, Missouri.
Today
98°F
Partly Sunny
Partly sunny, with a high near 98. Heat index values as high as 101. Southwest wind around 7 mph.
7-day forecast for Valley Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Partly Sunny | 7 mph SW | 2% |
| Tonight | 73°F | Partly Cloudy | 3 mph SW | 4% |
| Sunday | 93°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph W | 34% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 6 mph NE | 68% |
| Monday | 78°F | Showers And Thunderstorms Likely | 3 to 7 mph NE | 68% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 3 to 8 mph N | 51% |
| Tuesday | 71°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph N | 22% |
| Tuesday Night | 55°F | Mostly Cloudy | 3 to 9 mph N | 3% |
| Wednesday | 73°F | Mostly Sunny | 7 mph N | 1% |
| Wednesday Night | 56°F | Partly Cloudy | 1 to 6 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 2 to 6 mph N | 1% |
| Thursday Night | 58°F | Mostly Cloudy | 1 to 5 mph NE | 4% |
| Friday | 77°F | Partly Sunny | 2 to 6 mph NE | 8% |
| Friday Night | 59°F | Partly Cloudy | 1 to 5 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Valley Park (38.550, -90.496). Updated through the day.
Growing snapshot for Valley Park
Last spring frost
Apr 4
First fall frost
Oct 29
Growing season
206 days
Hardiness zone
6b
More local growing data for Valley Park: nearby ZIP 63088 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Affton
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Bel-Nor
Bel-Ridge
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Bellefontaine Neighbors
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Brentwood
Bridgeton
Calverton Park
Castle Point
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Charlack
Chesterfield
Clarkson Valley
Clayton
Concord
Cool Valley
Country Club Hills
Country Life Acres
Crestwood
Creve Coeur
Crystal Lake Park
Dellwood
Des Peres
Edmundson
Climate data from the nearest NOAA station, St Charles 7 Ssw, Mo (9.5 mi from Valley Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.