Cottage Grove

Sherman County, Minnesota, United States

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Current Weather

14°

Overcast

Feels Like: 17°

Min:

Max: 17°

The next few hours will be clear, with tomorrow reaching 22°C and dropping to 10°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

06:56

Sunrise

19:17

Sunset

12 hours 20 minutes of sunlight today

Moon

Waxing Crescent

10:55

Moonrise

20:13

Moonset

Daily Forecast

Monday

17°

Today

14°
22°

Wednesday

10°
24°

Thursday

15°
25°

Friday

16°
22°

Saturday

17°
23°

Sunday

14°
22°

Monday

12°
22°

Tuesday

12°
21°

Wednesday

11°
19°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

97% Very Humid
Low High

Weather in Cottage Grove tomorrow, September 15, 2026

Cottage Grove starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Cloud leads the morning, peaking close to 100% near 00:00. Sunshine has little room until later in the day.

The temperature range runs from about 14°C up to 22°C. Relative humidity sits between 53% and 100%, reaching its peak around 04:00. Expect gentle winds, highest near 11:00 at 6.1 km/h.

Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 14.7 km, though it can fall to 12.2 km. The sun rises at 06:57 and sets at 19:15, for a total of 12 hours 17 minutes of sunlight today.

Overall, Cottage Grove on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 22°C.

Frequently asked questions about weather in Cottage Grove

How warm does it get in Cottage Grove?

The warmest month in Cottage Grove is July, with average high temperatures of 29°C. The average temperature during this period is around 23°C.

How cold does it get in Cottage Grove?

The coldest month in Cottage Grove is January, with average low temperatures of -11°C. The average temperature during this period is around -8°C.

What is the wettest time of year in Cottage Grove?

The wettest month in Cottage Grove is May, with an average of 130mm of precipitation.

What is the driest time of year in Cottage Grove?

The driest month in Cottage Grove is January, with an average of 29mm of precipitation.

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