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
Mostly Clear
Mostly clear, with a low around 45. West wind around 5 mph.
7-day forecast for Fairfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Mostly Clear | 5 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
Nearby towns & communities
Avant
Barnsdall
Bowring
Burbank
Foraker
Grainola
Hominy
McCord
Mule Barn
Nelagoney
Oak Grove
Pawhuska
Pershing
Prue
Ralston
Shidler
Skiatook
Sperry
Webb City
Westport
Wynona
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.