Chester, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a community in Major County, Oklahoma.
Today
104°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 104. Heat index values as high as 101. South wind around 12 mph.
7-day forecast for Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 12 mph S | 12% |
| Tonight | 75°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 12% |
| Wednesday | 102°F | Slight Chance Showers And Thunderstorms | 7 to 13 mph SW | 12% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 6 to 12 mph ESE | 12% |
| Thursday | 100°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 to 12 mph SE | 17% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 7 to 12 mph SE | 36% |
| Friday | 100°F | Chance Showers And Thunderstorms | 8 to 12 mph S | 33% |
| Friday Night | 73°F | Mostly Clear | 8 to 12 mph S | 14% |
| Saturday | 101°F | Sunny | 7 to 12 mph SSW | 8% |
| Saturday Night | 75°F | Clear | 13 mph S | 1% |
| Sunday | 102°F | Sunny | 10 to 14 mph SSW | 1% |
| Sunday Night | 75°F | Clear | 14 mph S | 0% |
| Monday | 101°F | Sunny | 13 to 16 mph SSW | 0% |
| Monday Night | 76°F | Clear | 16 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Chester (36.216, -98.921). Updated through the day.
Growing snapshot for Chester
Last spring frost
Apr 11
First fall frost
Oct 25
Growing season
194 days
Hardiness zone
7a
More local growing data for Chester: nearby ZIP 73838 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Seiling 7Wnw Mesonet, Ok (9.7 mi from Chester). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.