Janesville, WI Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Clear 8°F
Feels Like 8°F  
Humidity 77% Dew Point 3°F Wind E 1 MPH Gusts 2 Barometer 29.83 in.
Report from a personal weather station 3.9 mi. NNE of central Janesville
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Point Forecast at a Glance

WedDec 3
Wed Dec 3: Clear, Low -6F
 
-6
ThuDec 4
Thu Dec 4: Sunny, High 14F, Low 2F
14
2
FriDec 5
Fri Dec 5: Partly Sunny, High 26F, Low 18F
26
18
SatDec 6
Sat Dec 6: Partly Sunny, High 25F, Low 7F
25
7
SunDec 7
Sun Dec 7: Snow, High 16F, Low -1F
20%
16
-1
MonDec 8
Mon Dec 8: Snow, High 20F, Low 12F
20%
20
12
TueDec 9
Tue Dec 9: Snow, High 30F, Low 24F
20%
30
24

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 14°F to 30°F. Unsettled weather expected with snow likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 10°F below the historical average for December. Normal highs for this period are around 33°F with lows around 18°F.

This Date in Weather History

1972 - Winds gusting to 70 mph sent the temperature at Livingston, MT, plunging from 52 degrees to 18 degrees in just twenty minutes.

More on this and other weather history

Janesville, WI 7 Day Weather Forecast Details

Wednesday Dec 3

Clear

Night: Clear, with a low around -6. Wind chill values between -10 and -15. Northwest wind around 5 mph.

Thursday Dec 4

Sunny

Day: Sunny, with a high near 14. Wind chill values between -5 and -15. Calm wind becoming southwest around 5 mph in the afternoon.

Partly Cloudy

Night: Partly cloudy, with a low around 2. Wind chill values between -5 and -10. South wind 5 to 10 mph.

Friday Dec 5

Partly Sunny

Day: Partly sunny, with a high near 26. Wind chill values between -5 and 5. Southwest wind around 10 mph.

Snow

Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph becoming west after midnight.

Saturday Dec 6

Partly Sunny

Day: Partly sunny, with a high near 25. Northwest wind around 5 mph.

Snow

Night: A 40 percent chance of snow. Mostly cloudy, with a low around 7. Calm wind becoming north around 5 mph after midnight.

Sunday Dec 7

Snow

Day: A 20 percent chance of snow before noon. Mostly sunny, with a high near 16. North wind 5 to 10 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around -1.

Monday Dec 8

Snow

Day: A 20 percent chance of snow. Mostly cloudy, with a high near 20.

Snow

Night: Snow likely. Cloudy, with a low around 12. Chance of precipitation is 60%.

Tuesday Dec 9

Snow

Day: A 20 percent chance of snow. Mostly cloudy, with a high near 30.

Snow

Night: A 50 percent chance of snow. Mostly cloudy, with a steady temperature around 24.

Wednesday Dec 10

Snow

Day: A 50 percent chance of snow. Mostly cloudy, with a high near 31.


About Janesville, WI

Janesville is a city in and the county seat of Rock County, Wisconsin, United States. It is located along the Rock River in southern Wisconsin. It is the tenth-most populous city in the state, with a population of 65,615 at the 2020 census. The Janesville–Beloit metropolitan statistical area, consisting solely of Rock County, has an estimated 165,000 residents.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.