Walnut Grove, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a city in Greene County, Missouri.
Today
93°F
Sunny
Sunny, with a high near 93. Heat index values as high as 96. South wind 3 to 9 mph.
7-day forecast for Walnut Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 93°F | Sunny | 3 to 9 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 3 to 9 mph SE | 2% |
| Wednesday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 9 mph S | 16% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms | 8 mph SE | 41% |
| Thursday | 92°F | Chance Showers And Thunderstorms | 7 mph SW | 41% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 6 mph S | 53% |
| Friday | 90°F | Chance Showers And Thunderstorms | 6 mph S | 53% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 6 mph S | 26% |
| Saturday | 92°F | Chance Showers And Thunderstorms | 7 mph S | 26% |
| Saturday Night | 73°F | Mostly Clear | 9 mph S | 9% |
| Sunday | 93°F | Sunny | 10 mph S | 4% |
| Sunday Night | 74°F | Mostly Clear | 9 mph S | 3% |
| Monday | 94°F | Sunny | 8 to 12 mph SW | 2% |
| Monday Night | 75°F | Mostly Clear | 9 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Walnut Grove (37.411, -93.548). Updated through the day.
Growing snapshot for Walnut Grove
Last spring frost
Apr 11
First fall frost
Oct 24
Growing season
196 days
Hardiness zone
6b
More local growing data for Walnut Grove: nearby ZIP 65770 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ash Grove 4S, Mo (11.4 mi from Walnut Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.