Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
When frigid air will loosen its grip on the Northeast, Midwest? Get the forecast. Chevron right

Janesville, WI

19°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Janesville

Wisconsin

19°
No results found.
Try searching for a city, zip code or point of interest.
settings
Janesville, WI Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today WinterCast Hourly

Daily

 Radar MinuteCast® Monthly Air Quality Health & Activities

January 3 - February 16

Sat 1/3

28° /12°
25%
Mostly cloudy

RealFeel®22°

RealFeel Shade™22°

Max UV Index1.0 (Low)

WindNW 6 mph

Sun 1/4

32° /28°
25%

WinterCast

Trace - 0.05 in

Sun, 1/4, 10:00 PM - Sun, 1/4, 11:00 PM

Ice
Mostly cloudy

RealFeel®22°

RealFeel Shade™22°

Max UV Index2.0 (Low)

WindSSE 8 mph

Mon 1/5

40° /30°
2%
Some sun, then turning cloudy

RealFeel®38°

RealFeel Shade™38°

Max UV Index2.0 (Low)

WindWSW 6 mph

Tue 1/6

42° /29°
55%
Mostly cloudy with occasional rain in the afternoon

RealFeel®38°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindNNW 6 mph

Wed 1/7

46° /31°
9%
Mostly sunny

RealFeel®43°

RealFeel Shade™41°

Max UV Index2.0 (Low)

WindSW 7 mph

Thu 1/8

47° /34°
17%
Periods of clouds and sunshine

RealFeel®43°

RealFeel Shade™42°

Max UV Index1.0 (Low)

WindS 8 mph

Fri 1/9

43° /30°
58%
Rain and drizzle

RealFeel®35°

RealFeel Shade™35°

Max UV Index1.0 (Low)

WindNE 13 mph

Sat 1/10

38° /22°
79%
A thick cloud cover with mixed snow and rain tapering off and ending as a little snow

RealFeel®29°

RealFeel Shade™29°

Max UV Index0.0 (Low)

WindWNW 10 mph

Sun 1/11

32° /24°
7%
Low clouds, then perhaps some sun

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindW 12 mph

Mon 1/12

38° /28°
4%
Low clouds

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindW 12 mph

Tue 1/13

34° /18°
5%
Mostly sunny

RealFeel®28°

RealFeel Shade™25°

Max UV Index2.0 (Low)

WindW 8 mph

Wed 1/14

26° /20°
68%
Cloudy; a bit of morning snow followed by snow and sleet in the afternoon

RealFeel®21°

RealFeel Shade™21°

Max UV Index1.0 (Low)

WindW 7 mph

Thu 1/15

33° /19°
18%
Low clouds

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindW 8 mph

Fri 1/16

30° /17°
65%
Periods of snow

RealFeel®14°

RealFeel Shade™14°

Max UV Index1.0 (Low)

WindNW 18 mph

Sat 1/17

31° /16°
64%
Snow at times

RealFeel®25°

RealFeel Shade™25°

Max UV Index1.0 (Low)

WindENE 8 mph

Sun 1/18

30° /4°
20%
Mostly sunny

RealFeel®24°

RealFeel Shade™21°

Max UV Index2.0 (Low)

WindWSW 12 mph

Mon 1/19

24° /6°
25%
After a cloudy start, sunshine returns

RealFeel®20°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindNW 9 mph

Tue 1/20

22° /6°
20%
Cold with partial sunshine

RealFeel®15°

RealFeel Shade™11°

Max UV Index2.0 (Low)

WindSW 9 mph

Wed 1/21

25° /2°
5%
Sunshine

RealFeel®24°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindNW 7 mph

Thu 1/22

18° /1°
25%
Mostly cloudy and colder

RealFeel®0°

RealFeel Shade™0°

Max UV Index1.0 (Low)

WindW 16 mph

Fri 1/23

18° /0°
5%
Plenty of sunshine, but cold

RealFeel®17°

RealFeel Shade™14°

Max UV Index2.0 (Low)

WindW 7 mph

Sat 1/24

19° /3°
55%
Cloudy and cold with a flurry early, then an hour or two of snow

RealFeel®4°

RealFeel Shade™4°

Max UV Index1.0 (Low)

WindSSW 13 mph

Sun 1/25

23° /1°
20%
Mostly sunny

RealFeel®20°

RealFeel Shade™16°

Max UV Index2.0 (Low)

WindW 8 mph

Mon 1/26

18° /1°
20%
Partly sunny and cold

RealFeel®18°

RealFeel Shade™16°

Max UV Index2.0 (Low)

WindNW 7 mph

Tue 1/27

18° /4°
25%
Increasing clouds and cold

RealFeel®4°

RealFeel Shade™4°

Max UV Index1.0 (Low)

WindS 12 mph

Wed 1/28

30° /4°
55%
Cloudy and not as cold with a bit of snow

RealFeel®15°

RealFeel Shade™15°

Max UV Index1.0 (Low)

WindWNW 16 mph

Thu 1/29

20° /2°
25%
Cold with sun followed by increasing clouds

RealFeel®23°

RealFeel Shade™20°

Max UV Index2.0 (Low)

WindNW 6 mph

Fri 1/30

18° /2°
20%
Cold with clouds yielding to sun

RealFeel®15°

RealFeel Shade™11°

Max UV Index2.0 (Low)

WindNW 7 mph

Sat 1/31

17° /3°
20%
Mostly sunny and bitterly cold

RealFeel®18°

RealFeel Shade™13°

Max UV Index3.0 (Moderate)

WindWNW 7 mph

Sun 2/1

18° /2°
20%
Mostly sunny and cold

RealFeel®19°

RealFeel Shade™14°

Max UV Index3.0 (Moderate)

WindWNW 6 mph

Mon 2/2

19° /3°
20%
Plenty of sunshine, but cold

RealFeel®21°

RealFeel Shade™18°

Max UV Index3.0 (Moderate)

WindNNW 6 mph

Tue 2/3

20° /4°
20%
Increasing cloudiness and cold

RealFeel®19°

RealFeel Shade™14°

Max UV Index3.0 (Moderate)

WindSE 6 mph

Wed 2/4

26° /19°
25%
Cloudy

RealFeel®23°

RealFeel Shade™23°

Max UV Index1.0 (Low)

WindSW 6 mph

Thu 2/5

31° /8°
55%
Cloudy with a bit of snow

RealFeel®24°

RealFeel Shade™24°

Max UV Index1.0 (Low)

WindNW 8 mph

Fri 2/6

27° /2°
25%
Clouds and sun

RealFeel®18°

RealFeel Shade™15°

Max UV Index3.0 (Moderate)

WindNW 13 mph

Sat 2/7

18° /2°
10%
Sunshine, but frigid

RealFeel®12°

RealFeel Shade™7°

Max UV Index3.0 (Moderate)

WindWNW 9 mph

Sun 2/8

18° /3°
25%
Frigid with partial sunshine

RealFeel®18°

RealFeel Shade™14°

Max UV Index2.0 (Low)

WindW 6 mph

Mon 2/9

19° /5°
20%
Frigid with partial sunshine

RealFeel®2°

RealFeel Shade™2°

Max UV Index2.0 (Low)

WindSW 14 mph

Tue 2/10

26° /3°
55%
Mainly cloudy with a little snow, mainly early in the day

RealFeel®12°

RealFeel Shade™12°

Max UV Index1.0 (Low)

WindWNW 15 mph

Wed 2/11

21° /5°
59%
Cold with considerable cloudiness; afternoon snow

RealFeel®16°

RealFeel Shade™16°

Max UV Index1.0 (Low)

WindSSE 6 mph

Thu 2/12

21° /4°
25%
Cloudy and cold

RealFeel®8°

RealFeel Shade™8°

Max UV Index1.0 (Low)

WindN 10 mph

Fri 2/13

20° /3°
5%
Very cold with plenty of sunshine

RealFeel®19°

RealFeel Shade™14°

Max UV Index3.0 (Moderate)

WindW 7 mph

Sat 2/14

21° /6°
60%
Cloudy and very cold; snow in the afternoon

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindSE 6 mph

Sun 2/15

22° /5°
20%
Mostly sunny and cold

RealFeel®18°

RealFeel Shade™15°

Max UV Index3.0 (Moderate)

WindNW 10 mph

Mon 2/16

33° /11°
55%
Clouds and sun with a couple of flurries

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindSW 5 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Winter Weather

More wintry trouble ahead for Upper Midwest, interior Northeast

6 hours ago

Winter Weather

Early 2026 rain, mountain snow to expand in California and western US

4 hours ago

Winter Weather

80 inches of snow in Juneau, Alaska smashes record, sinks boats

2 days ago

Weather Forecasts

After a frigid December, a warmup awaits the Midwest and Northeast

4 hours ago

Winter Weather

Storm to quench southeast US, with a wintry twist for Virginia

4 hours ago

 More Stories

Featured Stories

Weather News

Suspected mountain lion attack in Colorado leaves woman dead

1 day ago

Astronomy

1st meteor shower of 2026 to peak this weekend

1 day ago

Travel

Ocean Infinity resumes search for Malaysia Airlines Flight 370

1 day ago

Astronomy

Top rocket launches of 2025 you had to see to believe

3 days ago

Astronomy

Full moons and supermoons in 2026: Every date to know

1 day ago
World North America United States Wisconsin Janesville

Weather Near Janesville:

  • Beloit, WI
  • Madison, WI
  • Rockford, IL
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect RealFeel® and RealFeel Shade™ Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...