Byars, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byars, a town in Mcclain County, Oklahoma.
Overnight
44°F
Clear
Clear, with a low around 44. West northwest wind around 3 mph.
7-day forecast for Byars
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Clear | 3 mph WNW | 0% |
| Wednesday | 68°F | Sunny | 0 to 3 mph W | 0% |
| Wednesday Night | 47°F | Mostly Clear | 2 mph S | 0% |
| Thursday | 68°F | Mostly Sunny then Slight Chance Rain Showers | 2 to 9 mph SSW | 22% |
| Thursday Night | 44°F | Chance Rain Showers then Partly Cloudy | 5 to 12 mph N | 28% |
| Friday | 62°F | Sunny | 7 mph N | 0% |
| Friday Night | 40°F | Partly Cloudy | 3 mph NNE | 0% |
| Saturday | 62°F | Mostly Sunny | 3 mph NNE | 1% |
| Saturday Night | 39°F | Partly Cloudy | 1 mph NNW | 1% |
| Sunday | 66°F | Sunny | 2 mph N | 0% |
| Sunday Night | 39°F | Mostly Clear | 0 mph | 0% |
| Monday | 69°F | Sunny | 0 to 3 mph SSW | 0% |
| Monday Night | 43°F | Clear | 2 mph SSW | 1% |
| Tuesday | 71°F | Sunny | 2 to 6 mph S | 4% |
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 4, 2026.