Martinsburg, MO Weather & Growing Conditions
Tonight
70°F
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SE | 19% |
| Saturday | 93°F | Mostly Cloudy | 5 to 10 mph SW | 5% |
| Saturday Night | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 25% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 51% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 6 to 9 mph N | 78% |
| Monday | 71°F | Showers And Thunderstorms | 9 mph NE | 78% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 7 to 10 mph N | 47% |
| Tuesday | 66°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph NE | 18% |
| Tuesday Night | 49°F | Mostly Cloudy | 3 to 9 mph N | 4% |
| Wednesday | 70°F | Mostly Sunny | 7 mph NE | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 2 to 6 mph NE | 1% |
| Thursday | 72°F | Mostly Sunny | 2 to 6 mph NE | 7% |
| Thursday Night | 53°F | Partly Cloudy | 1 to 5 mph NE | 6% |
| Friday | 72°F | Mostly Sunny | 2 to 7 mph NE | 8% |
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 Sep 19, 2026.