Martinsburg, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martinsburg, a town in Audrain County, Missouri.
Today
88°F
Sunny
Sunny, with a high near 88. South wind 3 to 7 mph.
7-day forecast for Martinsburg
| 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 | 86°F | Partly Sunny | 3 mph S | 10% |
| 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 8 mph S | 7% |
| Sunday | 90°F | Sunny | 8 to 12 mph SW | 2% |
| Sunday Night | 71°F | Mostly Clear | 8 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) for Martinsburg (39.101, -91.647). Updated through the day.
Growing snapshot for Martinsburg
Last spring frost
Apr 11
First fall frost
Oct 25
Growing season
197 days
Hardiness zone
6b
More local growing data for Martinsburg: nearby ZIP 65264 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mexico, Mo (12.3 mi from Martinsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.