Martinsburg, MO Weather & Growing Conditions
Tonight
47°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a low around 47. Southwest wind 9 to 13 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Chance Rain Showers | 9 to 13 mph SW | 12% |
| Wednesday | 58°F | Chance Rain Showers then Cloudy | 10 to 16 mph W | 11% |
| Wednesday Night | 38°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 60°F | Mostly Sunny | 7 to 13 mph W | 8% |
| Thursday Night | 38°F | Mostly Cloudy | 6 mph NW | 13% |
| Friday | 55°F | Mostly Cloudy | 6 to 10 mph N | 4% |
| Friday Night | 34°F | Mostly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 55°F | Partly Sunny | 0 to 3 mph NW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph W | 4% |
| Sunday | 61°F | Sunny | 2 to 7 mph W | 10% |
| Sunday Night | 33°F | Mostly Clear | 3 mph W | 3% |
| Monday | 66°F | Sunny | 3 to 9 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 1% |
| Tuesday | 68°F | Sunny | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Martinsburg, MO
Last spring frost
Apr 11
First fall frost
Oct 25
Growing season
197 days
Hardiness zone
6b
Explore more for Martinsburg, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Mexico, Mo (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.