Harman US

Cheyenne, OK Weather & Growing Conditions

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 99. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 100°F Sunny then Slight Chance Showers And Thunderstorms 10 to 15 mph SSW 23%
Tonight 73°F Chance Showers And Thunderstorms 9 to 14 mph SSW 39%
Sunday 94°F Slight Chance Showers And Thunderstorms 8 mph NW 20%
Sunday Night 64°F Slight Chance Showers And Thunderstorms 8 mph NNE 22%
Monday 85°F Mostly Sunny 7 to 10 mph NNE 14%
Monday Night 61°F Partly Cloudy then Slight Chance Showers And Thunderstorms 5 to 9 mph ENE 15%
Tuesday 81°F Slight Chance Showers And Thunderstorms then Partly Sunny 5 to 9 mph ENE 15%
Tuesday Night 58°F Mostly Cloudy 5 to 9 mph E 7%
Wednesday 83°F Slight Chance Rain Showers 3 to 8 mph ESE 24%
Wednesday Night 62°F Chance Showers And Thunderstorms 3 to 7 mph ESE 31%
Thursday 86°F Chance Showers And Thunderstorms 3 to 8 mph SSE 35%
Thursday Night 65°F Chance Showers And Thunderstorms 3 to 7 mph SE 34%
Friday 88°F Chance Rain Showers 3 to 8 mph SSE 34%
Friday Night 66°F Chance Showers And Thunderstorms 7 mph SSE 27%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Cheyenne, OK

Last spring frost
Apr 3
First fall frost
Nov 3
Growing season
212 days
Hardiness zone
7a

Explore more for Cheyenne, OK: full frost dates · planting calendar · Oklahoma frost dates

Climate data from the nearest NOAA station, Cheyenne 6Sw Mesonet, Ok (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.