Harman US

Chester, OK Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Chester, a community in Major County, Oklahoma.

Tonight
75°F
Mostly Clear
Mostly clear, with a low around 75. South wind around 12 mph.

7-day forecast for Chester

WhenTempForecastWindPrecip
Tonight 75°F Mostly Clear 12 mph S 1%
Saturday 100°F Sunny 12 to 15 mph SSW 13%
Saturday Night 73°F Chance Showers And Thunderstorms 9 to 15 mph S 45%
Sunday 94°F Chance Showers And Thunderstorms 9 mph W 45%
Sunday Night 64°F Chance Showers And Thunderstorms 6 to 12 mph NNE 42%
Monday 84°F Slight Chance Rain Showers then Partly Sunny 7 to 10 mph NNE 18%
Monday Night 61°F Partly Cloudy 5 to 10 mph NE 10%
Tuesday 81°F Partly Sunny 8 mph ENE 12%
Tuesday Night 59°F Partly Cloudy then Slight Chance Rain Showers 5 to 9 mph E 17%
Wednesday 83°F Slight Chance Rain Showers 3 to 8 mph ESE 20%
Wednesday Night 62°F Chance Rain Showers 3 to 8 mph E 31%
Thursday 84°F Chance Rain Showers 3 to 7 mph SE 37%
Thursday Night 63°F Chance Rain Showers 3 to 7 mph SE 33%
Friday 85°F Chance Rain Showers 3 to 9 mph S 33%

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

All Oklahoma locations ›

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.