Oak Grove, MO Weather & Growing Conditions
Tonight
75°F
Partly Cloudy
Partly cloudy, with a low around 75. Heat index values as high as 98. South southwest wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 75°F | Partly Cloudy | 5 to 8 mph SSW | 1% |
| Saturday | 96°F | Mostly Sunny | 10 mph SSW | 2% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 2 to 7 mph WSW | 60% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph NW | 50% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 3 to 7 mph NNE | 63% |
| Monday | 72°F | Showers And Thunderstorms Likely | 5 to 8 mph NNE | 61% |
| Monday Night | 56°F | Mostly Cloudy | 5 to 8 mph NNE | 14% |
| Tuesday | 68°F | Mostly Cloudy | 7 mph NNE | 6% |
| Tuesday Night | 51°F | Mostly Cloudy | 2 to 6 mph NE | 3% |
| Wednesday | 72°F | Mostly Sunny | 5 mph NE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph ENE | 4% |
| Thursday | 73°F | Slight Chance Rain Showers | 1 to 5 mph ENE | 17% |
| Thursday Night | 57°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 15% |
| Friday | 74°F | Slight Chance Rain Showers | 1 to 5 mph E | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oak Grove, MO
Last spring frost
Apr 13
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6a
Explore more for Oak Grove, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Elm, Mo (10.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.