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Dewey, OK Weather Tomorrow

Tomorrow's Dewey weather report includes an accurate 5 day forecast with precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Dewey area and around Washington county, Oklahoma.
Updated: Wed Sep 9th 2026 7:15 PM CDT
Dewey, OK Weather – 9-9 – Sunny
105° / 80°
Sunny
Daytime highs will reach 105°F with lows dropping to 80°F in Dewey, where it will be sunny. There's a very small chance of rainfall, only about 4% with an estimated 0in. Winds will be strong at speeds peaking at 21mph and gusts of 30mph at 8 PM. Humidity levels should be comfortable, sitting around 46% on average, the maximum being 65% at 11 PM and 42% being its lowest at 8 PM. Barometric pressure is its highest of 29.94inHg at 11 PM, a lowest point of 29.87inHg at 8 PM with an avg 29.9inHg.
Dewey, OK Weather – 9-10 – Light Rain Shower
82° / 71°

Weather Tomorrow

Light Rain Shower
In Dewey, periods of rain are likely with highs near 82°F and lows around 71°F. The chance of rain is 87% with an estimated 0.42in. Wind will be moderate, blowing around 16mph on average and gusts of 19mph at 3 PM. The humidity will be on the higher side, averaging about 80%, the maximum being 92% at 10 PM and 64% being its lowest at 12 AM. Barometric pressure is its highest of 30.02inHg at 11 AM, a lowest point of 29.89inHg at 9 PM with an avg 29.95inHg.
Dewey, OK Weather – 9-11 – Sunny
90° / 69°
Sunny
Bright and sunny conditions in Dewey, with a high of 90°F and a low of 69°F. There's a very small chance of rainfall, only about 8%. Wind will be moderate, blowing around 15mph on average and gusts of 25.5mph at 6 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 90% at 5 AM and 39% being its lowest at 4 PM. Barometric pressure is its highest of 29.94inHg at 1 AM, a lowest point of 29.75inHg at 6 PM with an avg 29.86inHg.
Dewey, OK Weather – 9-12 – Sunny
96° / 73°
Sunny
Daytime highs will reach 96°F with lows dropping to 73°F in Dewey, where bright and sunny conditions. Rainfall predicted to have a 59% chance with an estimated 0.13in. Wind will be moderate, blowing around 17mph on average and gusts of 28.7mph at 8 PM. The humidity will be on the higher side, averaging about 65%, the maximum being 88% at 7 AM and 36% being its lowest at 4 PM. Barometric pressure is its highest of 29.91inHg at 10 PM, a lowest point of 29.75inHg at 6 PM with an avg 29.82inHg.
Dewey, OK Weather – 9-13 – Sunny
98° / 71°
Sunny
Dewey may see a sunny day, with daytime highs of 98°F and overnight lows near 71°F. Rainfall predicted to have a 57% chance with an estimated 0.06in. Wind will be moderate, blowing around 20mph on average and gusts of 34.9mph at 11 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 94% at 1 AM and 28% being its lowest at 4 PM. Barometric pressure is its highest of 29.95inHg at 11 AM, a lowest point of 29.81inHg at 6 PM with an avg 29.88inHg.
Dewey, OK Weather – 9-14 – Sunny
99° / 80°
Sunny
Dewey may see sunshine, with daytime highs of 99°F and overnight lows near 80°F. Rainfall predicted to have a 57% chance with an estimated 0.04in. Winds will be strong at speeds peaking at 21mph and gusts of 38.1mph at 1 AM. Humidity levels should be comfortable, sitting around 49% on average, the maximum being 70% at 11 PM and 29% being its lowest at 4 PM. Barometric pressure is its highest of 29.92inHg at 10 AM, a lowest point of 29.82inHg at 4 PM with an avg 29.88inHg.

Currently

Sunny 94°F
29.86 inHg.
Barometer
37%
Humidity
S 16.9 mph
Wind
Sunny

5 Day Forecast Nearby

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