AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

9:45 AM CDT APR 30, 2026
Overcast
46°F
Feels Like: 46°F
Dewpoint: 37°F
Rel. Hum.: 71%
Visibility: 10 miles
Wind: Calm
Pressure: 30.02 inches
Last 72 hours

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AFTON, WI 53501
Weather Forecast

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Snow Depth pages
TODAY
Mostly cloudy. Areas of fog and frost in the morning. Chance of light rain showers late in the morning. Light rain showers likely in the afternoon. Highs in the lower 50s. Northwest winds up to 10 mph. Chance of showers 70 percent.
TONIGHT
Mostly cloudy in the evening then becoming partly cloudy. Light rain showers likely in the evening, then chance of light rain showers late in the evening. Widespread frost after midnight. Lows in the lower 30s. North winds 5 to 10 mph. Chance of showers 60 percent.
FRIDAY
Partly sunny. Widespread frost in the morning. A 20 percent chance of light rain showers in the afternoon. Highs around 50. North winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy. Widespread frost after midnight. Lows in the lower 30s. North winds up to 5 mph.
SATURDAY
Sunny in the morning then becoming partly sunny. Widespread frost in the morning. Highs in the mid 50s. Northwest winds up to 10 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the upper 30s.
SUNDAY
Partly sunny. Chance of light rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 30 percent.
SUNDAY NIGHT
Partly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the mid 40s.
MONDAY
Partly sunny. A 20 percent chance of light rain showers in the afternoon. Highs in the upper 60s.
MONDAY NIGHT
Partly cloudy with a 40 percent chance of light rain showers. Lows in the mid 40s.
TUESDAY
Partly sunny with a 40 percent chance of light rain showers. Highs in the mid 60s.
TUESDAY NIGHT
Mostly cloudy with a 40 percent chance of light rain showers. Lows in the lower 40s.
WEDNESDAY
Partly sunny with a 30 percent chance of light rain showers. Highs around 60.

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  7:00 PM CDT  4/29/2026
Thursday
30 APR 2026
AFTON, WI 53501 weather forecast Day 1, 0 hours 1 AM 37° 35° Clear 1%

0% Thunder
( 0% severe)
W   2 89% 34°
Low 35° AFTON, WI 53501 weather forecast Day 1, 3 hours 4 AM 36° 34° Partly Cloudy WNW   2 85% 32°
High 55° AFTON, WI 53501 weather forecast Day 1, 6 hours 7 AM 37° 35° Partly Cloudy 10%
RAIN
<.01 in
0% Thunder
( 3% severe)
NNW   2 85% 33°

Mostly Cloudy

Chance of Rain

AFTON, WI 53501 weather forecast Day 1, 9 hours 10 AM 48° 45° Mostly Cloudy NW   7 58% 34°
AFTON, WI 53501 weather forecast Day 1, 12 hours 1 PM 51° 47° Mostly Cloudy 23%
RAIN
<.01 in
0% Thunder
( 9% severe)
W   10 50% 33°
AFTON, WI 53501 weather forecast Day 1, 15 hours 4 PM 53° 49° Mostly Cloudy WNW   12 46% 33°
AFTON, WI 53501 weather forecast Day 1, 18 hours 7 PM 52° 49° Mostly Cloudy 8%

0% Thunder
( 4% severe)
NW   9 48% 33°
AFTON, WI 53501 weather forecast Day 1, 21 hours 10 PM 42° 39° Partly Cloudy NNW   5 70% 33°
Friday
1 MAY 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 1 AM 39° 37° Partly Cloudy 2%

0% Thunder
( 0% severe)
NNW   3 73% 31°
Low 33° AFTON, WI 53501 weather forecast Day 2, 3 hours 4 AM 35° 31° Partly Cloudy NNW   5 85% 31°
High 52° AFTON, WI 53501 weather forecast Day 2, 6 hours 7 AM 36° 32° Partly Cloudy 0%

0% Thunder
( 3% severe)
N   5 82% 31°

Mostly Cloudy



AFTON, WI 53501 weather forecast Day 2, 9 hours 10 AM 44° 39° Partly Cloudy N   8 57% 30°
AFTON, WI 53501 weather forecast Day 2, 12 hours 1 PM 48° 43° Mostly Cloudy 9%

0% Thunder
( 5% severe)
NNW   10 45% 28°
AFTON, WI 53501 weather forecast Day 2, 15 hours 4 PM 51° 48° Mostly Cloudy NNW   9 39% 27°
AFTON, WI 53501 weather forecast Day 2, 18 hours 7 PM 50° 47° Mostly Cloudy 1%

0% Thunder
( 1% severe)
N   7 44% 29°
AFTON, WI 53501 weather forecast Day 2, 21 hours 10 PM 41° 39° Mostly Cloudy NNE   2 65% 30°

JANESVILLE, WI extended weather forecast

Saturday
2 MAY 2026
Sunday
3 MAY 2026
Monday
4 MAY 2026
Tuesday
5 MAY 2026
Wednesday
6 MAY 2026
Low 34° Low 42° Low 50° Low 48° Low 40°
High 59° High 68° High 71° High 59° High 61°
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
Partly Cloudy
25% Rain
Mostly Cloudy
17% Rain
Overcast
50% Rain
Mostly Cloudy
33% Rain
Mostly Cloudy
32% Rain
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