Dewey, OK Weather & Growing Conditions
Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 102. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 10 mph S | 0% |
| Tonight | 74°F | Mostly Clear | 5 to 10 mph SE | 3% |
| Wednesday | 100°F | Partly Sunny | 5 to 10 mph S | 6% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 15% |
| Thursday | 98°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph S | 21% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms | 5 mph E | 55% |
| Friday | 95°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 to 10 mph SE | 55% |
| Friday Night | 73°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph SE | 15% |
| Saturday | 97°F | Slight Chance Showers And Thunderstorms then Sunny | 5 to 10 mph S | 15% |
| Saturday Night | 74°F | Mostly Clear | 10 mph S | 3% |
| Sunday | 98°F | Sunny | 10 mph S | 2% |
| Sunday Night | 75°F | Clear | 10 mph S | 0% |
| Monday | 99°F | Sunny | 10 to 15 mph S | 1% |
| Monday Night | 76°F | Mostly Clear | 10 mph S | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dewey, OK
Last spring frost
Apr 11
First fall frost
Oct 24
Growing season
195 days
Hardiness zone
7a
Explore more for Dewey, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Bartlesville 3, Ok (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.