Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Severe thunderstorms to rumble across the central, eastern US this week. Click for the forecast. Chevron right

Janesville, IA

56°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Janesville

Iowa

56°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Janesville, IA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day 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 Hourly

10-Day

Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

April 15 - April 29

Wed 4/15

67° /50°
95%
Rather cloudy and not as warm with a couple of showers and a thunderstorm; breezy this afternoon; thunderstorms can bring hail and damaging winds

RealFeel®64°

RealFeel Shade™63°

Max UV Index2.0 (Low)

WindNNE 12 mph

Thu 4/16

77° /54°
2%
Breezy in the morning; otherwise, sunny to partly cloudy and warmer

RealFeel®78°

RealFeel Shade™73°

Max UV Index7.0 (High)

WindSSW 14 mph

Fri 4/17

77° /31°
79%
Warm; partly sunny, then mostly cloudy with a heavy thunderstorm; storms can bring flash flooding, damaging winds, hail and even a tornado

RealFeel®74°

RealFeel Shade™73°

Max UV Index4.0 (Moderate)

WindSSW 21 mph

Sat 4/18

47° /28°
60%
Winds becoming strong; a bit of snow and rain in the morning; otherwise, chilly with periods of sun; a dramatic cooldown in the wake of warm and stormy weather

RealFeel®36°

RealFeel Shade™33°

Max UV Index7.0 (High)

WindNW 24 mph

Sun 4/19

57° /33°
0%
Sunshine and a few clouds

RealFeel®53°

RealFeel Shade™50°

Max UV Index7.0 (High)

WindW 12 mph

Mon 4/20

66° /48°
9%
Mostly sunny

RealFeel®64°

RealFeel Shade™62°

Max UV Index7.0 (High)

WindSE 15 mph

Tue 4/21

74° /46°
10%
Mostly cloudy and warm

RealFeel®73°

RealFeel Shade™69°

Max UV Index7.0 (High)

WindNNW 17 mph

Wed 4/22

71° /52°
19%
Cloudy

RealFeel®69°

RealFeel Shade™69°

Max UV Index2.0 (Low)

WindS 8 mph

Thu 4/23

70° /46°
65%
Rain at times

RealFeel®67°

RealFeel Shade™67°

Max UV Index2.0 (Low)

WindE 15 mph

Fri 4/24

63° /41°
62%
Occasional rain

RealFeel®57°

RealFeel Shade™57°

Max UV Index2.0 (Low)

WindNE 15 mph

Sat 4/25

58° /39°
49%
A stray morning shower; otherwise, increasing amounts of sunshine

RealFeel®58°

RealFeel Shade™53°

Max UV Index5.0 (Moderate)

WindENE 13 mph

Sun 4/26

59° /37°
2%
Increasing cloudiness

RealFeel®58°

RealFeel Shade™58°

Max UV Index4.0 (Moderate)

WindNNE 7 mph

Mon 4/27

60° /43°
4%
Mostly cloudy

RealFeel®66°

RealFeel Shade™62°

Max UV Index3.0 (Moderate)

WindNNW 4 mph

Tue 4/28

65° /42°
20%
Mostly sunny

RealFeel®69°

RealFeel Shade™62°

Max UV Index8.0 (Very High)

WindWSW 7 mph

Wed 4/29

60° /44°
25%
Cloudy

RealFeel®62°

RealFeel Shade™61°

Max UV Index3.0 (Moderate)

WindE 5 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Severe storms and flooding continue into the weekend

1 hour ago

Weather News

75-car pile up on snowy I-70 in Colorado shuts down mountain corridor

1 hour ago

Hurricane

Super Typhoon Sinlaku poses a serious threat to Guam

17 minutes ago

Weather News

River flooding, possible dam failure threatens Wisconsin, Michigan

19 hours ago

Winter Weather

'Cold storm' with snow to push across western U.S. into Friday

1 hour ago

More Stories

Featured Stories

Weather News

Magnitude 5.7 earthquake rattles Nevada, California

20 hours ago

Astronomy

Astronaut’s reunion with her dog is pure joy

1 day ago

Climate

Swiss singer performs inside Morteratsch glacier cave before it melts

1 day ago

Astronomy

Lyrids 2026: How to see the 1st meteor shower since January

1 day ago

Severe Weather

Rare tornado touches down in Northern California

1 day ago

World North America United States Iowa Janesville

Weather Near Janesville:

  • Cedar Rapids, IA
  • Iowa City, IA
  • Waterloo, IA
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect 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 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

...

...

...