Martinsburg, MO Weather & Growing Conditions
Today
88°F
Sunny
Sunny, with a high near 88. South wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 3 to 7 mph S | 0% |
| Tonight | 68°F | Mostly Clear | 2 to 6 mph SE | 12% |
| Wednesday | 87°F | Mostly Sunny then Scattered Showers And Thunderstorms | 6 mph S | 37% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 6 mph E | 82% |
| Thursday | 84°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 82% |
| Thursday Night | 66°F | Partly Cloudy | 3 mph SE | 8% |
| Friday | 85°F | Partly Sunny | 3 mph S | 11% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 3 mph S | 25% |
| Saturday | 88°F | Chance Showers And Thunderstorms then Sunny | 6 mph SW | 25% |
| Saturday Night | 70°F | Mostly Clear | 5 to 9 mph S | 7% |
| Sunday | 90°F | Sunny | 9 to 13 mph SW | 3% |
| Sunday Night | 71°F | Mostly Clear | 9 mph S | 4% |
| Monday | 91°F | Sunny | 8 to 12 mph SW | 5% |
| Monday Night | 72°F | Mostly Clear | 9 mph S | 11% |
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 Aug 4, 2026.