Mandan

Skamania County, North Dakota, United States

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Current Weather

17°

Clear

Feels Like: 16°

Min: 14°

Max: 21°

The next few hours will be breezy and overcast, with tomorrow reaching 19°C and dropping to 9°C. The coming days will be drizzle

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Hourly Forecast

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Today
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Daylight Hours

07:27

Sunrise

19:49

Sunset

12 hours 22 minutes of sunlight today

Moon

Waxing Crescent

11:34

Moonrise

20:40

Moonset

Daily Forecast

Monday

14°
21°

Today

10°
19°

Wednesday

22°

Thursday

21°

Friday

13°
22°

Saturday

13°
20°

Sunday

10°
21°

Monday

22°

Tuesday

10°
21°

Wednesday

15°
22°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

38% Dry
Low High

Weather in Mandan tomorrow, September 15, 2026

Expect a mostly clear day in Mandan on September 15, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The first half of the day looks overcast, as cloud amounts reach about 100% around 01:00. Brighter weather, if it comes, waits until later.

Temperatures climb from an overnight low near 10°C toward a daytime high of about 19°C. The air stays humid, with relative humidity between 47% and 87% and the peak around 07:00. A lighter breeze peaks around 00:00 near 10.9 km/h.

Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Expect visibility around 16.1 km. Daylight runs from 07:28 to 19:47, lasting 12 hours 18 minutes of sunlight today.

The practical takeaway for Mandan is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 19°C.

Frequently asked questions about weather in Mandan

How warm does it get in Mandan?

The warmest month in Mandan is July, with average high temperatures of 29°C. The average temperature during this period is around 22°C.

How cold does it get in Mandan?

The coldest month in Mandan is February, with average low temperatures of -13°C. The average temperature during this period is around -9°C.

What is the wettest time of year in Mandan?

The wettest month in Mandan is May, with an average of 74mm of precipitation.

What is the driest time of year in Mandan?

The driest month in Mandan is January, with an average of 11mm of precipitation.

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Metric (°C, km/h)