AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

5:45 AM CST JAN 7, 2026
Overcast
Mist
32°F
Feels Like: 27°F
Dewpoint: 30°F
Rel. Hum.: 92%
Visibility: 1 3/4 miles
Wind: W at 5 mph
Pressure: 29.85 inches
Last 72 hours

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AFTON, WI 53501
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Cloudy until late afternoon then becoming mostly sunny. Areas of freezing fog in the morning. Areas of fog until late afternoon. Highs in the lower 40s. Southwest winds 5 to 10 mph.
TONIGHT
Partly cloudy. Lows in the mid 30s. South winds 5 to 10 mph.
THURSDAY
Mostly cloudy. Rain in the afternoon. Highs around 50. Southeast winds 5 to 10 mph. Chance of rain 90 percent.
THURSDAY NIGHT
Cloudy. Rain through around midnight, then chance of light rain after midnight. Lows in the upper 30s. Southwest winds 10 to 15 mph shifting to the west after midnight. Chance of rain 90 percent.
FRIDAY
Mostly cloudy with a 30 percent chance of light rain. Highs in the lower 40s. North winds 5 to 15 mph.
FRIDAY NIGHT
Mostly cloudy. A 40 percent chance of light rain and snow after midnight. Lows in the lower 30s.
SATURDAY
Light snow likely, possibly mixed with rain in the morning, then light snow likely in the afternoon. Moderate snow accumulations. Highs in the mid 30s. Chance of precipitation 70 percent.
SATURDAY NIGHT
Mostly cloudy. Light snow likely through around midnight, then chance of light snow after midnight. Colder. Lows around 18. Chance of snow 60 percent.
SUNDAY
Partly sunny. A 20 percent chance of light snow in the morning. Highs in the upper 20s.
SUNDAY NIGHT
Partly cloudy. Lows around 17.
MONDAY
Partly sunny. Highs in the mid 30s.
MONDAY NIGHT
Mostly cloudy through around midnight then becoming partly cloudy. Lows in the mid 20s.
TUESDAY
Partly sunny. Highs in the upper 30s.

Visible Weather Satellite
AFTON, WI 53501
Infrared Weather Satellite
AFTON, WI 53501
NEXRAD Weather Radar
AFTON, WI 53501

JANESVILLE, WI 3 hourly weather forecast

weather forecast created  6:00 PM CST  1/ 6/2026
Wednesday
7 JAN 2026
AFTON, WI 53501 weather forecast Day 1, 0 hours 12 AM 35° 30° Mostly Cloudy 0%

0% Thunder
( 0% severe)
W   6 96% 34°
Low 31° AFTON, WI 53501 weather forecast Day 1, 3 hours 3 AM 34° 30° Mostly Cloudy W   5 92% 32°
High 44° AFTON, WI 53501 weather forecast Day 1, 6 hours 6 AM 32° 29° Mostly Cloudy 1%

0% Thunder
( 0% severe)
W   3 92% 30°

Mostly Cloudy



AFTON, WI 53501 weather forecast Day 1, 9 hours 9 AM 33° 27° Mostly Cloudy SW   7 92% 31°
AFTON, WI 53501 weather forecast Day 1, 12 hours 12 PM 39° 32° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSW   10 79% 33°
AFTON, WI 53501 weather forecast Day 1, 15 hours 3 PM 43° 37° Partly Cloudy S   10 70% 34°
AFTON, WI 53501 weather forecast Day 1, 18 hours 6 PM 40° 33° Partly Cloudy 1%

0% Thunder
( 0% severe)
S   10 79% 34°
AFTON, WI 53501 weather forecast Day 1, 21 hours 9 PM 38° 31° Partly Cloudy S   9 85% 34°
Thursday
8 JAN 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 12 AM 37° 31° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   8 89% 34°
Low 35° AFTON, WI 53501 weather forecast Day 2, 3 hours 3 AM 37° 31° Mostly Cloudy S   8 89% 34°
High 50° AFTON, WI 53501 weather forecast Day 2, 6 hours 6 AM 37° 31° Mostly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 1% severe)
S   8 89% 34°

Mostly Cloudy

Rain Likely

AFTON, WI 53501 weather forecast Day 2, 9 hours 9 AM 40° 34° Mostly Cloudy S   9 85% 36°
AFTON, WI 53501 weather forecast Day 2, 12 hours 12 PM 46° 41° Mostly Cloudy 88%
RAIN
***
0% Thunder
( 5% severe)
S   10 79% 40°
AFTON, WI 53501 weather forecast Day 2, 15 hours 3 PM 47° 43° Mostly Cloudy SE   9 83% 42°
AFTON, WI 53501 weather forecast Day 2, 18 hours 6 PM 46° 41° Overcast 88%
RAIN
***
0% Thunder
( 8% severe)
E   10 93% 44°
AFTON, WI 53501 weather forecast Day 2, 21 hours 9 PM 46° 41° Overcast SSE   9 93% 44°

JANESVILLE, WI extended weather forecast

Friday
9 JAN 2026
Saturday
10 JAN 2026
Sunday
11 JAN 2026
Monday
12 JAN 2026
Tuesday
13 JAN 2026
Low 39° Low 31° Low 22° Low 21° Low 24°
High 41° High 34° High 29° High 38° High 36°
AFTON, WI 53501 weather forecast Day 3 AFTON, WI 53501 weather forecast Day 4 AFTON, WI 53501 weather forecast Day 5 AFTON, WI 53501 weather forecast Day 6 AFTON, WI 53501 weather forecast Day 7
Overcast
68% Rain/Snow
Overcast
83% Snow
Overcast
46% Snow
Partly Cloudy
13% Snow
Partly Cloudy
22% Snow
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