Local weather forecast

Weather in Portage, WI

Updated 2026-08-11 12:00 local time · ZIP codes 53901

Cloudy
Now74°F

Cloudy

High / Low82° / 66°
Rain chance77%
Wind5 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

NowCloudy74°11% rain
1 PMSunny78°11% rain
2 PMSunny79°10% rain
3 PMSunny80°8% rain
4 PMSunny82°7% rain
5 PMPartly Cloudy81°9% rain
6 PMSunny81°7% rain
7 PMSunny79°9% rain
8 PMSunny76°11% rain
9 PMClear74°12% rain
10 PMClear72°13% rain
11 PMClear71°13% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
82° 66°Sunny
Rain 77%Gust 10 mph
Tomorrow2026-08-12
Sunny
84° 67°Sunny
Rain 72%Gust 6 mph
Thursday2026-08-13
Sunny
84° 64°Sunny
Rain 57%Gust 9 mph
Conditions

Weather details

Feels like78°F
Humidity88%
Pressure29.91 inHg
Visibility10 mi
Wind5 mph SE
Wind gusts10 mph
Precipitation0.00 in
UV index6
Daylight

Sunrise, sunset and moon

Sunrise05:58 AM
Sunset08:07 PM
Moonrise03:54 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 13%).

Light layers should work

It feels like 78°F with winds near 5 mph.

Best window: 3 PM

80°F, 8% rain chance and 1 mph wind.

Driving conditions look generally normal

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

Good conditions for an easy run

Current temperature is 74°F, wind 5 mph, rain chance up to 13%.

High UV protection needed

UV index is 6. Sunscreen, shade and protective clothing are recommended.

Portage weather today

Cloudy and 74°F in Portage, WI. Today's high is 82°F with a 77% rain chance. Winds are around 5 mph with gusts near 10 mph. Relative humidity is 88%, pressure is 29.91 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Portage

Sunrise is at 05:58 AM and sunset is at 08:07 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 67°F. The maximum rain chance is 72%.

Nearby

Weather near Portage

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