Oak Grove, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oak Grove, a town in Osage County, Oklahoma.
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 102. Southeast wind around 5 mph.
7-day forecast for Oak Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 5 mph SE | 0% |
| Tonight | 76°F | Mostly Clear | 5 mph SE | 3% |
| Wednesday | 101°F | Mostly Sunny | 5 mph S | 4% |
| Wednesday Night | 76°F | Partly Cloudy | 5 mph S | 7% |
| Thursday | 99°F | Mostly Sunny | 5 mph S | 13% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 5 mph SE | 53% |
| Friday | 95°F | Chance Showers And Thunderstorms | 5 mph S | 53% |
| Friday Night | 74°F | Slight Chance Showers And Thunderstorms | 5 mph S | 21% |
| Saturday | 97°F | Slight Chance Showers And Thunderstorms then Sunny | 5 mph S | 15% |
| Saturday Night | 75°F | Mostly Clear | 5 mph S | 3% |
| Sunday | 97°F | Sunny | 5 to 10 mph S | 2% |
| Sunday Night | 76°F | Clear | 5 to 10 mph S | 0% |
| Monday | 97°F | Sunny | 5 to 10 mph S | 1% |
| Monday Night | 77°F | Mostly Clear | 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Oak Grove (36.206, -96.338). Updated through the day.
Growing snapshot for Oak Grove
Last spring frost
Apr 6
First fall frost
Oct 29
Growing season
207 days
Hardiness zone
7b
More local growing data for Oak Grove: nearby ZIP 74054 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Mannford 6 Nw, Ok (9.7 mi from Oak Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.