Mendon, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mendon, a city in Chariton County, Missouri.
This Afternoon
71°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm. Partly sunny. High near 71, with temperatures falling to around 63 in the afternoon. South southwest wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Slight Chance Rain Showers | 15 to 18 mph SSW | 21% |
| Tonight | 48°F | Cloudy | 14 mph WSW | 10% |
| Wednesday | 57°F | Mostly Cloudy | 12 to 16 mph W | 8% |
| Wednesday Night | 41°F | Partly Cloudy | 8 mph WSW | 1% |
| Thursday | 57°F | Partly Sunny then Slight Chance Rain Showers | 6 to 12 mph W | 15% |
| Thursday Night | 41°F | Mostly Cloudy | 3 to 7 mph NW | 7% |
| Friday | 56°F | Partly Sunny | 5 to 9 mph N | 1% |
| Friday Night | 36°F | Mostly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 57°F | Partly Sunny | 0 to 5 mph WNW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 2 mph W | 5% |
| Sunday | 63°F | Sunny | 2 to 7 mph W | 5% |
| Sunday Night | 37°F | Mostly Clear | 3 mph WSW | 1% |
| Monday | 67°F | Sunny | 3 to 10 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 2 to 6 mph WSW | 0% |
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 Nov 3, 2026.