Clinton, OK Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a city in Custer County, Oklahoma.
Today
105°F
Sunny
Sunny, with a high near 105. Heat index values as high as 103. South wind 9 to 13 mph, with gusts as high as 20 mph.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 105°F | Sunny | 9 to 13 mph S | 1% |
| Tonight | 76°F | Mostly Clear | 8 to 12 mph SSE | 4% |
| Wednesday | 104°F | Sunny | 8 to 14 mph SSW | 5% |
| Wednesday Night | 75°F | Mostly Clear | 7 to 14 mph S | 6% |
| Thursday | 102°F | Sunny | 6 to 14 mph SSW | 13% |
| Thursday Night | 74°F | Slight Chance Showers And Thunderstorms | 8 to 14 mph SSE | 22% |
| Friday | 101°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph S | 22% |
| Friday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 8 to 13 mph SSE | 16% |
| Saturday | 101°F | Sunny | 7 to 12 mph S | 8% |
| Saturday Night | 74°F | Clear | 9 to 13 mph S | 2% |
| Sunday | 101°F | Sunny | 8 to 15 mph S | 1% |
| Sunday Night | 74°F | Clear | 15 mph S | 0% |
| Monday | 101°F | Sunny | 12 to 17 mph S | 0% |
| Monday Night | 75°F | Clear | 14 to 17 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Clinton (35.507, -98.971). Updated through the day.
Growing snapshot for Clinton
Last spring frost
Apr 13
First fall frost
Oct 28
Growing season
197 days
Hardiness zone
7b
More local growing data for Clinton: nearby ZIP 73601 weather · frost dates · planting calendar · Oklahoma frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Clinton, Ok (1.8 mi from Clinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.