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.
This Afternoon
74°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 74, with temperatures falling to around 67 in the afternoon. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
7-day forecast for Valley Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Rain | 16 mph S | 100% |
| Tonight | 52°F | Light Rain | 6 to 13 mph S | 86% |
| Wednesday | 63°F | Mostly Cloudy | 6 to 12 mph W | 3% |
| Wednesday Night | 43°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 66°F | Sunny | 3 to 8 mph W | 2% |
| Thursday Night | 43°F | Mostly Cloudy | 5 mph NW | 11% |
| Friday | 58°F | Mostly Cloudy | 5 to 8 mph NW | 5% |
| Friday Night | 39°F | Mostly Cloudy | 1 to 5 mph N | 2% |
| Saturday | 57°F | Partly Sunny | 3 mph NW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 1 mph W | 1% |
| Sunday | 63°F | Sunny | 1 to 5 mph W | 9% |
| Sunday Night | 36°F | Mostly Clear | 3 mph W | 5% |
| Monday | 67°F | Sunny | 1 to 5 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 2 mph SW | 1% |
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
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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 Nov 3, 2026.