Grainola, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grainola, a town in Osage County, Oklahoma.
Overnight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. Northwest wind around 5 mph.
7-day forecast for Grainola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Partly Cloudy | 5 mph NW | 0% |
| Wednesday | 65°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 47°F | Clear | 0 to 5 mph S | 1% |
| Thursday | 59°F | Chance Rain Showers | 0 to 10 mph N | 45% |
| Thursday Night | 42°F | Partly Cloudy | 5 mph N | 8% |
| Friday | 58°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 41°F | Mostly Cloudy | 0 to 5 mph NE | 0% |
| Saturday | 58°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 39°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 41°F | Clear | 0 to 5 mph S | 0% |
| Monday | 68°F | Sunny | 5 to 10 mph S | 0% |
| Monday Night | 45°F | Clear | 5 mph S | 0% |
| Tuesday | 70°F | Sunny | 5 to 10 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Grainola (36.938, -96.649). Updated through the day.
Growing snapshot for Grainola
Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7a
More local growing data for Grainola: nearby ZIP 74652 weather · frost dates · planting calendar · Oklahoma frost dates
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Climate data from the nearest NOAA station, Newkirk 8E Mesonet, Ok (15 mi from Grainola). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.