Grainola, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grainola, a town in Osage County, Oklahoma.
Overnight
70°F
Mostly Clear
Mostly clear, with a low around 70. South wind around 10 mph.
7-day forecast for Grainola
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Clear | 10 mph S | 0% |
| Tuesday | 98°F | Sunny | 10 mph S | 1% |
| Tuesday Night | 74°F | Mostly Clear | 10 mph SE | 4% |
| Wednesday | 99°F | Mostly Sunny | 10 mph SW | 6% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 19% |
| Thursday | 95°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 21% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 55% |
| Friday | 94°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph SE | 55% |
| Friday Night | 72°F | Mostly Clear | 10 mph SE | 13% |
| Saturday | 96°F | Sunny | 5 to 10 mph S | 13% |
| Saturday Night | 74°F | Clear | 10 mph S | 2% |
| Sunday | 97°F | Sunny | 10 to 15 mph S | 2% |
| Sunday Night | 74°F | Clear | 15 mph S | 0% |
| Monday | 98°F | Sunny | 10 to 15 mph S | 1% |
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 Aug 4, 2026.