Mendon, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mendon, a city in Chariton County, Missouri.
This Afternoon
92°F
Sunny
Sunny, with a high near 92. Heat index values as high as 98. South wind around 7 mph.
7-day forecast for Mendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 7 mph S | 9% |
| Tonight | 73°F | Partly Cloudy | 7 mph S | 9% |
| Saturday | 93°F | Partly Sunny | 7 to 12 mph SSW | 5% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 3 to 7 mph WSW | 59% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 3 to 9 mph NNW | 43% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 6 to 10 mph NNE | 65% |
| Monday | 70°F | Showers And Thunderstorms Likely | 12 mph NNE | 65% |
| Monday Night | 55°F | Chance Rain Showers | 7 to 12 mph NNE | 42% |
| Tuesday | 66°F | Mostly Cloudy | 10 mph NNE | 8% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 to 10 mph NE | 6% |
| Wednesday | 70°F | Mostly Sunny | 7 mph NE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph ENE | 3% |
| Thursday | 72°F | Partly Sunny | 2 to 6 mph ENE | 6% |
| Thursday Night | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph ENE | 15% |
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 Sep 19, 2026.