Mendon, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mendon, a city in Chariton County, Missouri.
Overnight
66°F
Mostly Clear
Mostly clear, with a low around 66. Southeast wind around 7 mph.
7-day forecast for Mendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Clear | 7 mph SE | 0% |
| Tuesday | 90°F | Sunny | 7 mph S | 1% |
| Tuesday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SE | 21% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 3 to 8 mph SE | 63% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 5 to 8 mph NNE | 84% |
| Thursday | 84°F | Showers And Thunderstorms then Partly Sunny | 6 mph NE | 84% |
| Thursday Night | 66°F | Partly Cloudy | 5 mph ESE | 6% |
| Friday | 87°F | Mostly Sunny | 1 to 7 mph SSE | 13% |
| Friday Night | 68°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 mph S | 18% |
| Saturday | 90°F | Slight Chance Showers And Thunderstorms then Sunny | 3 to 10 mph SSW | 18% |
| Saturday Night | 72°F | Mostly Clear | 10 mph S | 5% |
| Sunday | 92°F | Sunny | 10 to 15 mph SSW | 4% |
| Sunday Night | 73°F | Mostly Clear | 8 to 14 mph SSW | 3% |
| Monday | 93°F | Mostly Sunny | 9 to 15 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Mendon (39.591, -93.134). Updated through the day.
Growing snapshot for Mendon
Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
201 days
Hardiness zone
6a
More local growing data for Mendon: nearby ZIP 64660 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brunswick, Mo (10.7 mi from Mendon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.