Byars, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byars, a town in Mcclain County, Oklahoma.
Today
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 98. South southwest wind around 9 mph.
7-day forecast for Byars
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Sunny | 9 mph SSW | 0% |
| Tonight | 74°F | Mostly Clear | 8 mph S | 2% |
| Sunday | 95°F | Showers And Thunderstorms Likely | 6 to 9 mph S | 67% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 2 to 6 mph ESE | 67% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph NNE | 55% |
| Monday Night | 62°F | Partly Cloudy | 6 mph NNE | 14% |
| Tuesday | 81°F | Mostly Sunny | 9 mph NNE | 14% |
| Tuesday Night | 59°F | Partly Cloudy | 7 mph NE | 8% |
| Wednesday | 83°F | Mostly Sunny | 6 mph NE | 10% |
| Wednesday Night | 60°F | Partly Cloudy | 3 mph ENE | 7% |
| Thursday | 86°F | Mostly Sunny | 3 mph SE | 9% |
| Thursday Night | 63°F | Partly Cloudy | 3 mph E | 7% |
| Friday | 86°F | Partly Sunny | 3 mph ESE | 11% |
| Friday Night | 64°F | Mostly Cloudy | 3 mph E | 8% |
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
Nearby towns & communities
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.