AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

10:45 AM CDT MAY 2, 2026
Scattered Clouds
52°F
Feels Like: 49°F
Dewpoint: 28°F
Rel. Hum.: 39%
Visibility: 10 miles
Wind: WNW at 9 mph, gusts to 16
Pressure: 30.10 inches
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AFTON, WI 53501
Weather Forecast

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REST OF TODAY
Sunny late in the morning then becoming partly sunny. Highs in the upper 50s. Northwest winds 5 to 10 mph.
TONIGHT
Not as cool. Partly cloudy until early morning, then mostly cloudy with a 20 percent chance of light rain showers early in the morning. Lows in the lower 40s. Southwest winds 5 to 15 mph.
SUNDAY
Partly sunny with a 50 percent chance of light rain showers. Highs in the upper 60s. Southwest winds 10 to 20 mph.
SUNDAY NIGHT
Mostly clear. Lows in the lower 40s. West winds up to 10 mph.
MONDAY
Sunny. Chance of light rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 10 to 20 mph. Chance of precipitation 30 percent.
MONDAY NIGHT
Partly cloudy with chance of light rain showers and slight chance of thunderstorms through around midnight, then mostly cloudy with slight chance of light rain showers after midnight. Lows in the mid 40s. Chance of precipitation 50 percent.
TUESDAY
Mostly cloudy with a 40 percent chance of light rain showers. Cooler. Highs in the upper 50s.
TUESDAY NIGHT
Mostly cloudy. A 30 percent chance of light rain showers through around midnight. Lows in the upper 30s.
WEDNESDAY
Mostly cloudy. A 20 percent chance of light rain showers in the afternoon. Highs in the mid 50s.
WEDNESDAY NIGHT
Mostly cloudy. A 20 percent chance of light rain showers through around midnight. Lows in the upper 30s.
THURSDAY
Partly sunny with a 30 percent chance of light rain showers. Highs in the upper 50s.
THURSDAY NIGHT
Partly cloudy. Lows in the upper 30s.
FRIDAY
Mostly sunny. A 20 percent chance of light rain showers in the morning. Highs in the lower 60s.

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  5/ 1/2026
Saturday
2 MAY 2026
AFTON, WI 53501 weather forecast Day 1, 0 hours 1 AM 35° 33° Clear 0%

0% Thunder
( 0% severe)
  CALM 85% 31°
Low 31° AFTON, WI 53501 weather forecast Day 1, 3 hours 4 AM 32° 29° Partly Cloudy NW   1 92% 30°
High 57° AFTON, WI 53501 weather forecast Day 1, 6 hours 7 AM 34° 32° Partly Cloudy 1%

0% Thunder
( 0% severe)
NNW   2 85% 30°

Partly Cloudy



AFTON, WI 53501 weather forecast Day 1, 9 hours 10 AM 47° 44° Clear NW   6 51% 30°
AFTON, WI 53501 weather forecast Day 1, 12 hours 1 PM 53° 50° Partly Cloudy 2%

0% Thunder
( 3% severe)
NW   8 36% 27°
AFTON, WI 53501 weather forecast Day 1, 15 hours 4 PM 56° 54° Mostly Cloudy W   8 32% 27°
AFTON, WI 53501 weather forecast Day 1, 18 hours 7 PM 55° 53° Mostly Cloudy 5%

0% Thunder
( 2% severe)
WSW   7 40% 31°
AFTON, WI 53501 weather forecast Day 1, 21 hours 10 PM 45° 41° Partly Cloudy SSW   7 60% 32°
Sunday
3 MAY 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 1 AM 43° 38° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 1% severe)
SSW   8 65% 32°
Low 40° AFTON, WI 53501 weather forecast Day 2, 3 hours 4 AM 42° 36° Mostly Cloudy SSW   10 67% 32°
High 66° AFTON, WI 53501 weather forecast Day 2, 6 hours 7 AM 45° 39° Mostly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 4% severe)
SW   13 65% 34°

Mostly Cloudy



AFTON, WI 53501 weather forecast Day 2, 9 hours 10 AM 52° 47° Mostly Cloudy SW   16 61% 39°
AFTON, WI 53501 weather forecast Day 2, 12 hours 1 PM 60° 57° Mostly Cloudy 8%

0% Thunder
( 7% severe)
SW   17 51% 42°
AFTON, WI 53501 weather forecast Day 2, 15 hours 4 PM 65° 65° Partly Cloudy WSW   16 43% 42°
AFTON, WI 53501 weather forecast Day 2, 18 hours 7 PM 64° 63° Partly Cloudy 5%

0% Thunder
( 4% severe)
W   10 45% 42°
AFTON, WI 53501 weather forecast Day 2, 21 hours 10 PM 52° 51° Partly Cloudy W   5 66% 41°

JANESVILLE, WI extended weather forecast

Monday
4 MAY 2026
Tuesday
5 MAY 2026
Wednesday
6 MAY 2026
Thursday
7 MAY 2026
Friday
8 MAY 2026
Low 45° Low 46° Low 39° Low 39° Low 41°
High 71° High 59° High 59° High 62° High 64°
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
35% Rain
Overcast
77% Rain
Overcast
44% Rain
Mostly Cloudy
38% Rain
Clear
18% Rain
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