Weldon Spring Heights, MO Weather & Growing Conditions
This Afternoon
74°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 74, with temperatures falling to around 67 in the afternoon. South wind around 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Light Rain | 17 mph S | 94% |
| Tonight | 51°F | Light Rain Likely | 7 to 13 mph S | 73% |
| Wednesday | 62°F | Mostly Cloudy | 7 to 14 mph W | 2% |
| Wednesday Night | 41°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 64°F | Sunny | 5 to 10 mph W | 3% |
| Thursday Night | 41°F | Mostly Cloudy | 5 mph NW | 9% |
| Friday | 57°F | Mostly Cloudy | 5 to 9 mph NW | 3% |
| Friday Night | 37°F | Mostly Cloudy | 1 to 5 mph N | 1% |
| Saturday | 56°F | Partly Sunny | 2 mph NW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph NW | 2% |
| Sunday | 62°F | Sunny | 2 to 6 mph W | 9% |
| Sunday Night | 35°F | Mostly Clear | 3 mph W | 4% |
| Monday | 66°F | Sunny | 2 to 6 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 3 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Weldon Spring Heights, MO
Last spring frost
Apr 10
First fall frost
Oct 26
Growing season
199 days
Hardiness zone
6b
Explore more for Weldon Spring Heights, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Weldon Spring Nws, Mo (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.