Byron, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Byron, a town in Alfalfa County, Oklahoma.
Today
105°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 105. Heat index values as high as 102. South wind around 9 mph.
7-day forecast for Byron
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 105°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 9 mph S | 12% |
| Tonight | 74°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SSE | 12% |
| Wednesday | 102°F | Slight Chance Showers And Thunderstorms | 1 to 8 mph SW | 12% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 8 mph NE | 22% |
| Thursday | 98°F | Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph SW | 35% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph ESE | 57% |
| Friday | 99°F | Chance Showers And Thunderstorms | 6 to 10 mph SSE | 41% |
| Friday Night | 72°F | Mostly Clear | 6 to 9 mph SSE | 10% |
| Saturday | 101°F | Sunny | 5 to 10 mph S | 8% |
| Saturday Night | 74°F | Clear | 10 mph SSE | 2% |
| Sunday | 102°F | Sunny | 8 to 14 mph S | 0% |
| Sunday Night | 75°F | Mostly Clear | 13 mph S | 0% |
| Monday | 102°F | Sunny | 10 to 16 mph SSW | 0% |
| Monday Night | 76°F | Mostly Clear | 12 to 15 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov) for Byron (36.901, -98.294). Updated through the day.
Growing snapshot for Byron
Last spring frost
Apr 8
First fall frost
Oct 31
Growing season
204 days
Hardiness zone
7a
More local growing data for Byron: nearby ZIP 73722 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Kiowa, Ks (10.6 mi from Byron). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.