Harman US

Fairfax, OK Weather & Growing Conditions

Today
99°F
Sunny
Sunny, with a high near 99. Southeast wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 99°F Sunny 10 mph SE 0%
Tonight 74°F Mostly Clear 10 mph SE 4%
Wednesday 100°F Mostly Sunny 10 mph SW 9%
Wednesday Night 74°F Slight Chance Showers And Thunderstorms 5 to 10 mph SE 16%
Thursday 97°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 mph S 18%
Thursday Night 73°F Chance Showers And Thunderstorms 10 mph SE 55%
Friday 94°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 10 mph SE 55%
Friday Night 73°F Slight Chance Showers And Thunderstorms then Mostly Clear 10 mph SE 15%
Saturday 96°F Sunny 5 to 10 mph S 14%
Saturday Night 74°F Mostly Clear 10 mph S 2%
Sunday 97°F Sunny 10 to 15 mph S 1%
Sunday Night 75°F Clear 10 to 15 mph S 1%
Monday 98°F Sunny 10 to 15 mph S 1%
Monday Night 76°F Mostly Clear 10 to 15 mph S 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Fairfax, OK

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

Explore more for Fairfax, OK: full frost dates · planting calendar · Oklahoma frost dates

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