Cheyenne, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cheyenne, a town in Roger Mills County, Oklahoma.
Today
104°F
Mostly Sunny
Mostly sunny, with a high near 104. Heat index values as high as 101. South wind 8 to 13 mph, with gusts as high as 20 mph.
7-day forecast for Cheyenne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 104°F | Mostly Sunny | 8 to 13 mph S | 1% |
| Tonight | 73°F | Partly Cloudy | 8 to 13 mph S | 4% |
| Wednesday | 103°F | Sunny | 8 to 14 mph SSW | 4% |
| Wednesday Night | 73°F | Partly Cloudy | 7 to 14 mph S | 7% |
| Thursday | 101°F | Mostly Sunny | 6 to 14 mph S | 12% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms | 9 to 14 mph SSE | 17% |
| Friday | 101°F | Slight Chance Showers And Thunderstorms then Sunny | 8 to 12 mph S | 16% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 7 to 13 mph S | 18% |
| Saturday | 101°F | Sunny | 6 to 12 mph S | 8% |
| Saturday Night | 73°F | Clear | 13 mph S | 2% |
| Sunday | 101°F | Sunny | 9 to 15 mph SSW | 1% |
| Sunday Night | 73°F | Clear | 15 mph S | 0% |
| Monday | 101°F | Sunny | 12 to 17 mph S | 0% |
| Monday Night | 74°F | Clear | 14 to 17 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cheyenne (35.611, -99.676). Updated through the day.
Growing snapshot for Cheyenne
Last spring frost
Apr 3
First fall frost
Nov 3
Growing season
212 days
Hardiness zone
7a
More local growing data for Cheyenne: nearby ZIP 73628 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cheyenne 6Sw Mesonet, Ok (6 mi from Cheyenne). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.