Willmar

Thurston County, Minnesota, United States

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Current Weather

12°

Mostly Clear

Feels Like: 14°

Min:

Max: 20°

The next few hours will be foggy, with today reaching 20°C and dropping to 11°C. The coming days will be mostly cloudy starting in the afternoon.

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Hourly Forecast

11° 14° 17° 19° 20° 20° 20° 19° 19° 19° 18° 16° 15° 15° 15° 15° 15° 13° 12° 12° 11° 11° 11° 11°
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10am
11am
12pm
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7pm
8pm
9pm
10pm
11pm
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1am
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Today
Tomorrow

Daylight Hours

07:07

Sunrise

19:21

Sunset

12 hours 14 minutes of sunlight today

Moon

Waxing Crescent

13:22

Moonrise

21:10

Moonset

Daily Forecast

Today

20°

Thursday

11°
21°

Friday

15°
23°

Saturday

13°
20°

Sunday

12°
21°

Monday

11°
22°

Tuesday

10°
24°

Wednesday

10°
25°

Thursday

13°
20°

Friday

13°
21°

Air Quality Data Available

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UV Index

No protection needed
1 Low
Low Extreme

Humidity

80% Humid
Low High

Weather in Willmar today, September 16, 2026

Willmar could see fog on September 16, 2026, so early travel may need extra care. Visibility is the main watchpoint while the air stays still. The morning looks comparatively open, with cloud near 27% around 09:00. Early outdoor plans have a better chance of staying dry and bright.

Expect highs of 20°C and cooler readings close to 7°C. Expect humidity between 50% and 95%, most humid near 22:00. A lighter breeze peaks around 16:00 near 4.9 km/h.

Through the afternoon cloud remains the main feature, with cover near 100% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 14.2 km, briefly nearer 3.6 km. Sunrise is at 07:07 and sunset at 19:21, giving 12 hours 14 minutes of sunlight today.

The practical takeaway for Willmar on September 16, 2026 is reduced clarity at times, so plan journeys with care near 20°C.

Frequently asked questions about weather in Willmar

How warm does it get in Willmar?

The warmest month in Willmar is July, with average high temperatures of 28°C. The average temperature during this period is around 23°C.

How cold does it get in Willmar?

The coldest month in Willmar is January, 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 Willmar?

The wettest month in Willmar is August, with an average of 124mm of precipitation.

What is the driest time of year in Willmar?

The driest month in Willmar is January, with an average of 20mm of precipitation.

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