Local weather forecast

Weather in Cottage Grove, WI

Updated 2026-08-11 13:30 local time · ZIP codes 53527

Partly cloudy
Now77°F

Partly cloudy

High / Low83° / 70°
Rain chance78%
Wind6 mph
Weather alerts

Active alerts

2
Severe Thunderstorm Watch issued August 11 at 10:50AM CDT until August 11 at 2:00PM CDT by NWS Milwaukee/Sullivan WI

SEVERE THUNDERSTORM WATCH 563 REMAINS VALID UNTIL 2 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN WISCONSIN THIS WATCH INCLUDES 9 COUNTIES IN SOUTH CENTRAL WISCONSIN DANE GREEN ROCK IN SOUTHEAST WISCONSIN JEFFERSON KENOSHA MILWAUKEE RACINE WALWORTH WAUKESHA THIS INCLUDES THE CITIES OF BELOIT, BRODHEAD, BROOKFIELD, DELAVAN, EAST TROY, ELKHORN, FORT ATKINSON, JANESVILLE, JEFFERSON, KENOSHA, LAKE GENEVA, MADISON, MENOMONEE FALLS, MILWAUKEE, MONROE, MUSKEGO, NEW BERLIN, RACINE, WATERTOWN, WAUKESHA, AND WHITEWATER.

Severe Thunderstorm Watch issued August 11 at 7:22AM CDT until August 11 at 2:00PM CDT by NWS Milwaukee/Sullivan WI

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 563 IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS IN WISCONSIN THIS WATCH INCLUDES 12 COUNTIES IN SOUTH CENTRAL WISCONSIN DANE GREEN IOWA LAFAYETTE ROCK SAUK IN SOUTHEAST WISCONSIN JEFFERSON KENOSHA MILWAUKEE RACINE WALWORTH WAUKESHA THIS INCLUDES THE CITIES OF ARGYLE, BARABOO, BARNEVELD, BELMONT, BELOIT, BENTON, BLANCHARDVILLE, BRODHEAD, BROOKFIELD, DARLINGTON, DELAVAN, DODGEVILLE, EAST TROY, ELKHORN, FORT ATKINSON, JANESVILLE, JEFFERSON, KENOSHA, LAKE GENEVA, MADISON, MENOMONEE FALLS, MILWAUKEE, MINERAL POINT, MONROE, MUSKEGO, NEW BERLIN, PRAIRIE DU SAC, RACINE, REEDSBURG, SAUK CITY, SHULLSBURG, WATERTOWN, WAUKESHA, AND WHITEWATER.

Hourly

Next hours

NowPartly cloudy77°14% rain
2 PMSunny83°11% rain
3 PMSunny83°8% rain
4 PMSunny83°6% rain
5 PMSunny83°7% rain
6 PMSunny81°7% rain
7 PMSunny79°9% rain
8 PMSunny76°11% rain
9 PMClear74°13% rain
10 PMClear73°13% rain
11 PMClear72°14% rain
12 AMPartly Cloudy70°19% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
83° 70°Sunny
Rain 78%Gust 9 mph
Tomorrow2026-08-12
Mist
83° 68°Mist
Rain 69%Gust 7 mph
Thursday2026-08-13
Sunny
80° 64°Sunny
Rain 36%Gust 9 mph
Conditions

Weather details

Feels like81°F
Humidity89%
Pressure29.90 inHg
Visibility10 mi
Wind6 mph S
Wind gusts10 mph
Precipitation0.00 in
UV index5
Daylight

Sunrise, sunset and moon

Sunrise05:58 AM
Sunset08:05 PM
Moonrise03:55 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 20%).

Light layers should work

It feels like 81°F with winds near 6 mph.

Best window: 6 PM

81°F, 7% rain chance and 4 mph wind.

Driving conditions look generally normal

Visibility is around 10 mi; gusts may reach 11 mph.

Good conditions for an easy run

Current temperature is 77°F, wind 6 mph, rain chance up to 20%.

Moderate UV protection recommended

UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.

Cottage Grove weather today

Partly cloudy and 77°F in Cottage Grove, WI. Today's high is 83°F with a 78% rain chance. Winds are around 6 mph with gusts near 10 mph. Relative humidity is 89%, pressure is 29.90 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Cottage Grove

Sunrise is at 05:58 AM and sunset is at 08:05 PM. Tomorrow's forecast calls for Mist with a high near 83°F and a low near 68°F. The maximum rain chance is 69%.

Nearby

Weather near Cottage Grove

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