Byars, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byars, a town in Mcclain County, Oklahoma.
This Afternoon
66°F
Partly Sunny
Partly sunny, with a high near 66. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
7-day forecast for Byars
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Partly Sunny | 9 to 14 mph NW | 2% |
| Tonight | 44°F | Mostly Clear | 2 to 7 mph WNW | 0% |
| Wednesday | 68°F | Sunny | 0 to 3 mph W | 0% |
| Wednesday Night | 46°F | Partly Cloudy | 2 mph S | 0% |
| Thursday | 67°F | Mostly Sunny then Chance Rain Showers | 3 to 8 mph SW | 36% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Mostly Clear | 3 to 7 mph N | 18% |
| Friday | 64°F | Sunny | 6 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 2 mph NNE | 0% |
| Saturday | 64°F | Mostly Sunny | 2 mph N | 1% |
| Saturday Night | 40°F | Mostly Clear | 1 mph NNW | 3% |
| Sunday | 68°F | Sunny | 2 mph WNW | 2% |
| Sunday Night | 40°F | Clear | 2 mph WSW | 1% |
| Monday | 70°F | Sunny | 2 to 6 mph SSW | 1% |
| Monday Night | 44°F | Mostly Clear | 2 mph S | 1% |
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 Nov 3, 2026.