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Fairmont, OK Weather & Growing Conditions

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

Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 12 mph.

7-day forecast for Fairmont

WhenTempForecastWindPrecip
Tonight 74°F Mostly Clear 12 mph S 1%
Saturday 100°F Sunny 13 to 17 mph SSW 5%
Saturday Night 72°F Chance Showers And Thunderstorms 10 to 15 mph SSE 46%
Sunday 93°F Showers And Thunderstorms Likely 9 mph SSE 60%
Sunday Night 63°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 9 mph NE 55%
Monday 84°F Chance Showers And Thunderstorms 8 to 12 mph NNE 28%
Monday Night 59°F Partly Cloudy 7 to 12 mph NNE 8%
Tuesday 80°F Partly Sunny 10 mph NE 8%
Tuesday Night 56°F Partly Cloudy 7 to 10 mph ENE 3%
Wednesday 81°F Mostly Sunny 8 mph ENE 11%
Wednesday Night 59°F Partly Cloudy then Slight Chance Rain Showers 5 to 8 mph ENE 19%
Thursday 83°F Chance Rain Showers 7 mph E 29%
Thursday Night 61°F Mostly Cloudy then Slight Chance Rain Showers 5 to 8 mph ESE 23%
Friday 84°F Chance Rain Showers 5 to 8 mph SE 25%

Forecast source: National Weather Service (api.weather.gov) for Fairmont (36.356, -97.705). Updated through the day.

Growing snapshot for Fairmont

Last spring frost
Apr 10
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
7a

More local growing data for Fairmont: nearby ZIP 73736 weather · frost dates · planting calendar · Oklahoma frost dates

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Climate data from the nearest NOAA station, Breckinridge 3Se Mesnt, Ok (4.7 mi from Fairmont). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.