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Fairfax, OK Weather & Growing Conditions

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

Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. West wind 5 to 15 mph, with gusts as high as 25 mph.

7-day forecast for Fairfax

WhenTempForecastWindPrecip
Tonight 45°F Partly Cloudy 5 to 15 mph W 1%
Wednesday 66°F Sunny 5 to 10 mph W 0%
Wednesday Night 45°F Clear 0 mph 1%
Thursday 60°F Rain Showers 0 to 5 mph N 84%
Thursday Night 40°F Slight Chance Rain Showers then Mostly Clear 5 mph N 15%
Friday 61°F Mostly Sunny 5 mph N 0%
Friday Night 40°F Partly Cloudy 0 to 5 mph N 0%
Saturday 62°F Mostly Sunny 0 to 5 mph N 2%
Saturday Night 40°F Mostly Clear 0 mph 4%
Sunday 67°F Sunny 0 to 5 mph W 1%
Sunday Night 41°F Clear 0 to 5 mph S 0%
Monday 70°F Sunny 5 to 10 mph S 0%
Monday Night 46°F Mostly Clear 5 mph S 0%
Tuesday 72°F Sunny 5 to 10 mph S 0%

Forecast source: National Weather Service (api.weather.gov) for Fairfax (36.570, -96.708). Updated through the day.

Growing snapshot for Fairfax

Last spring frost
Apr 11
First fall frost
Oct 24
Growing season
196 days
Hardiness zone
7a

More local growing data for Fairfax: nearby ZIP 74637 weather · frost dates · planting calendar · Oklahoma frost dates

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Climate data from the nearest NOAA station, Ralston, Ok (8.8 mi from Fairfax). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.