Warrenton, MO Weather & Growing Conditions
This Afternoon
72°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 66 in the afternoon. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Light Rain | 14 mph S | 81% |
| Tonight | 49°F | Light Rain Likely then Chance Rain Showers | 6 to 10 mph SW | 64% |
| Wednesday | 59°F | Mostly Cloudy | 6 to 10 mph W | 3% |
| Wednesday Night | 40°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 62°F | Sunny | 3 to 8 mph W | 6% |
| Thursday Night | 40°F | Mostly Cloudy | 3 mph NW | 13% |
| Friday | 56°F | Mostly Cloudy | 3 to 7 mph NW | 4% |
| Friday Night | 36°F | Mostly Cloudy | 2 mph N | 1% |
| Saturday | 55°F | Partly Sunny | 2 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph NW | 3% |
| Sunday | 61°F | Sunny | 5 mph W | 8% |
| Sunday Night | 35°F | Mostly Clear | 2 mph W | 3% |
| Monday | 65°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 Warrenton, MO
Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6b
Explore more for Warrenton, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Warrenton 1 N, Mo (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.