Fairmont, OK Weather & Growing Conditions
Tonight
44°F
Clear
Clear, with a low around 44. West northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Clear | 7 mph WNW | 0% |
| Wednesday | 64°F | Sunny | 7 mph W | 0% |
| Wednesday Night | 46°F | Mostly Clear | 5 mph S | 6% |
| Thursday | 57°F | Rain Showers | 3 to 12 mph N | 86% |
| Thursday Night | 39°F | Mostly Clear | 7 mph NNW | 11% |
| Friday | 60°F | Sunny | 7 mph N | 0% |
| Friday Night | 39°F | Partly Cloudy | 1 to 5 mph NNE | 1% |
| Saturday | 62°F | Mostly Sunny | 1 to 5 mph WNW | 2% |
| Saturday Night | 40°F | Mostly Clear | 3 mph WSW | 3% |
| Sunday | 66°F | Sunny | 5 mph WSW | 1% |
| Sunday Night | 41°F | Clear | 6 mph S | 1% |
| Monday | 70°F | Sunny | 6 to 12 mph SSW | 0% |
| Monday Night | 45°F | Mostly Clear | 8 mph SSW | 0% |
| Tuesday | 70°F | Sunny | 6 to 10 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fairmont, OK
Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
7a
Explore more for Fairmont, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Breckinridge 3Se Mesnt, Ok (4.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.