Duncan

Ziebach County, Oklahoma, United States

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Current Weather

31°

Clear

Feels Like: 34°

Min: 25°

Max: 37°

The next few hours will be clear, with tomorrow reaching 39°C and dropping to 25°C. The coming days will be mostly clear

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Hourly Forecast

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Today
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Daylight Hours

07:19

Sunrise

19:33

Sunset

12 hours 14 minutes of sunlight today

Moon

Waxing Crescent

10:51

Moonrise

20:52

Moonset

Daily Forecast

Monday

25°
37°

Today

26°
39°

Wednesday

25°
37°

Thursday

24°
36°

Friday

23°
35°

Saturday

23°
35°

Sunday

21°
32°

Monday

19°
29°

Tuesday

17°
28°

Wednesday

18°
27°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

48% Dry
Low High

Weather in Duncan tomorrow, September 15, 2026

Sunshine leads the day in Duncan on September 15, 2026, with a patch of cloud building near 11:00. The broader outlook stays fair despite that temporary thickening. Expect a brighter morning, with limited cloud around 22% by 11:00. Conditions start on a settled note.

Temperatures climb from an overnight low near 26°C toward a daytime high of about 39°C. Expect humidity between 28% and 77%, most humid near 07:00. Winds stay light, near 6.8 km/h by 02:00, so the day feels still more than breezy.

Afternoon conditions open up, holding cloud close to 13% near 16:00. The day finishes on a milder, brighter note. Expect visibility around 16.1 km. Expect sunrise at 07:20, sunset at 19:32, and 12 hours 12 minutes of sunlight today overall.

Overall, Duncan on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 39°C.

Frequently asked questions about weather in Duncan

How warm does it get in Duncan?

The warmest month in Duncan is July, with average high temperatures of 36°C. The average temperature during this period is around 30°C.

How cold does it get in Duncan?

The coldest month in Duncan is January, with average low temperatures of 0°C. The average temperature during this period is around 5°C.

What is the wettest time of year in Duncan?

The wettest month in Duncan is April, with an average of 133mm of precipitation.

What is the driest time of year in Duncan?

The driest month in Duncan is December, with an average of 36mm of precipitation.

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