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Grainola, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Grainola, a town in Osage County, Oklahoma.

This Afternoon
96°F
Sunny
Sunny, with a high near 96. South wind around 10 mph, with gusts as high as 20 mph.

7-day forecast for Grainola

WhenTempForecastWindPrecip
This Afternoon 96°F Sunny 10 mph S 0%
Tonight 73°F Mostly Clear 10 mph S 1%
Saturday 98°F Sunny 10 to 15 mph S 3%
Saturday Night 71°F Slight Chance Showers And Thunderstorms 10 to 15 mph S 58%
Sunday 87°F Showers And Thunderstorms Likely 5 to 10 mph SE 69%
Sunday Night 63°F Showers And Thunderstorms Likely 5 mph NE 65%
Monday 81°F Chance Showers And Thunderstorms 10 mph N 34%
Monday Night 57°F Partly Cloudy 10 mph NE 7%
Tuesday 77°F Mostly Sunny 10 mph NE 6%
Tuesday Night 54°F Partly Cloudy 10 mph NE 1%
Wednesday 78°F Mostly Sunny 5 to 10 mph E 6%
Wednesday Night 58°F Partly Cloudy then Slight Chance Rain Showers 5 mph NE 18%
Thursday 80°F Chance Rain Showers 5 mph E 29%
Thursday Night 60°F Slight Chance Rain Showers 5 mph E 21%

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 Sep 19, 2026.