Chester, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Chester, a community in Major County, Oklahoma.
Today
100°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Sunny, with a high near 100. Heat index values as high as 102. South southwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
7-day forecast for Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny then Slight Chance Showers And Thunderstorms | 16 mph SSW | 18% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 10 to 15 mph SSW | 40% |
| Sunday | 93°F | Chance Rain Showers | 6 to 9 mph ENE | 39% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 12 mph NNE | 39% |
| Monday | 83°F | Mostly Sunny | 7 to 10 mph NNE | 13% |
| Monday Night | 60°F | Partly Cloudy | 6 to 10 mph NE | 13% |
| Tuesday | 79°F | Partly Sunny | 6 to 9 mph ENE | 13% |
| Tuesday Night | 57°F | Partly Cloudy | 5 to 9 mph E | 5% |
| Wednesday | 82°F | Partly Sunny | 3 to 8 mph E | 12% |
| Wednesday Night | 61°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 9 mph ESE | 32% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 3 to 9 mph SSE | 36% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms | 5 to 9 mph SE | 34% |
| Friday | 87°F | Chance Rain Showers | 3 to 8 mph SSE | 34% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph SE | 21% |
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 Sep 19, 2026.