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Byars, OK Weather & Growing Conditions

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

Tonight
73°F
Mostly Clear
Mostly clear, with a low around 73. South wind around 6 mph.

7-day forecast for Byars

WhenTempForecastWindPrecip
Tonight 73°F Mostly Clear 6 mph S 0%
Saturday 98°F Sunny 9 mph SSW 1%
Saturday Night 73°F Mostly Clear 8 mph S 10%
Sunday 96°F Showers And Thunderstorms Likely 6 to 9 mph SSW 57%
Sunday Night 66°F Showers And Thunderstorms Likely 5 mph ESE 70%
Monday 88°F Slight Chance Showers And Thunderstorms 2 to 6 mph NNE 52%
Monday Night 63°F Mostly Clear 6 mph NE 13%
Tuesday 83°F Mostly Sunny 8 mph NE 13%
Tuesday Night 61°F Partly Cloudy 6 mph NE 4%
Wednesday 85°F Mostly Sunny 6 mph ENE 11%
Wednesday Night 62°F Partly Cloudy 3 mph ENE 7%
Thursday 86°F Slight Chance Rain Showers 3 mph ENE 15%
Thursday Night 64°F Partly Cloudy 3 mph ENE 10%
Friday 86°F Partly Sunny 5 mph ESE 11%

Forecast source: National Weather Service (api.weather.gov) for Byars (34.872, -97.054). Updated through the day.

Growing snapshot for Byars

Last spring frost
Mar 25
First fall frost
Nov 8
Growing season
228 days
Hardiness zone
7b

More local growing data for Byars: nearby ZIP 74831 weather · frost dates · planting calendar · Oklahoma frost dates

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Climate data from the nearest NOAA station, Byars 3Ese Mesonet, Ok (3.6 mi from Byars). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.