Fort Smith

Washington County, Arkansas, United States

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Current Weather

38°

Mostly Clear

Feels Like: 39°

Min: 26°

Max: 38°

The next few hours will be clear, with today reaching 38°C and dropping to 26°C. The coming days will be mostly clear from afternoon until night.

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Hourly Forecast

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Daylight Hours

07:06

Sunrise

19:16

Sunset

12 hours 10 minutes of sunlight today

Moon

Waxing Crescent

12:42

Moonrise

21:40

Moonset

Daily Forecast

Today

26°
38°

Thursday

26°
37°

Friday

25°
37°

Saturday

25°
38°

Sunday

25°
37°

Monday

24°
33°

Tuesday

23°
32°

Wednesday

22°
33°

Thursday

22°
37°

Friday

20°
28°

Air Quality Data Available

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UV Index

Seek shade during midday
6 High
Low Extreme

Humidity

32% Dry
Low High

Weather in Fort Smith today, September 16, 2026

Expect a mostly clear day in Fort Smith on September 16, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled.

The temperature range runs from about 26°C up to 38°C. Expect humidity between 29% and 64%, most humid near 17:00. A lighter breeze peaks around 21:00 near 4.7 km/h.

Expect persistent cloud later on, with amounts around 100% by 15:00. Sunshine remains the exception, not the rule. Expect visibility around 16.1 km. The sun rises at 07:06 and sets at 19:16, for a total of 12 hours 10 minutes of sunlight today.

The practical takeaway for Fort Smith is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 38°C.

Frequently asked questions about weather in Fort Smith

How warm does it get in Fort Smith?

The warmest month in Fort Smith is July, with average high temperatures of 33°C. The average temperature during this period is around 28°C.

How cold does it get in Fort Smith?

The coldest month in Fort Smith is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Fort Smith?

The wettest month in Fort Smith is May, with an average of 182mm of precipitation.

What is the driest time of year in Fort Smith?

The driest month in Fort Smith is September, with an average of 70mm of precipitation.

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Metric (°C, km/h)