Harman US

Dewey, OK Weather & Growing Conditions

This Afternoon
66°F
Cloudy
Cloudy. High near 66, with temperatures falling to around 59 in the afternoon. Northwest wind around 15 mph, with gusts as high as 30 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 66°F Cloudy 15 mph NW 9%
Tonight 45°F Mostly Cloudy 5 to 15 mph NW 1%
Wednesday 65°F Sunny 5 to 10 mph W 0%
Wednesday Night 43°F Clear 0 mph 0%
Thursday 60°F Rain Showers Likely 0 to 5 mph N 72%
Thursday Night 40°F Slight Chance Rain Showers then Partly Cloudy 5 mph N 21%
Friday 60°F Mostly Sunny 5 mph N 0%
Friday Night 39°F Partly Cloudy 0 to 5 mph N 0%
Saturday 61°F Partly Sunny 0 to 5 mph N 2%
Saturday Night 39°F Mostly Clear 0 mph 6%
Sunday 66°F Sunny 0 to 5 mph W 2%
Sunday Night 40°F Clear 0 mph 0%
Monday 69°F Sunny 0 to 10 mph S 0%
Monday Night 44°F Mostly Clear 5 mph S 0%

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 Nov 4, 2026.