AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

11:45 AM CDT MAY 13, 2026
Broken Clouds
59°F
Feels Like: 55°F
Dewpoint: 37°F
Rel. Hum.: 44%
Visibility: 10 miles
Wind: NNW at 20 mph, gusts to 29
Pressure: 30.02 inches
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AFTON, WI 53501
Weather Forecast

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Snow Depth pages
REST OF TODAY
Partly sunny. Highs in the mid 60s. Northwest winds 15 to 20 mph.
TONIGHT
Colder. Mostly clear. Lows in the upper 30s. North winds up to 10 mph.
THURSDAY
Sunny. Highs around 70. Southeast winds up to 10 mph.
THURSDAY NIGHT
Warmer. Partly cloudy through around midnight, then mostly cloudy with a 50 percent chance of light rain showers after midnight. Lows around 50. Southeast winds 5 to 15 mph.
FRIDAY
Partly sunny with a 30 percent chance of light rain showers. Highs in the upper 70s. South winds 10 to 20 mph.
FRIDAY NIGHT
Mostly clear. Slight chance of light rain showers and thunderstorms through around midnight, then slight chance of light rain showers after midnight. Lows in the mid 50s. Chance of precipitation 20 percent.
SATURDAY
Mostly sunny. Slight chance of light rain showers in the morning, then chance of light rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 30 percent.
SATURDAY NIGHT
Light rain showers likely and chance of thunderstorms. Lows in the mid 50s. Chance of precipitation 70 percent.
SUNDAY
Mostly cloudy. Light rain showers likely and chance of thunderstorms in the morning, then chance of light rain showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 60 percent.
SUNDAY NIGHT
Partly cloudy with a 50 percent chance of light showers and thunderstorms. Lows around 60.
MONDAY
Partly sunny. Chance of light showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Breezy. Highs in the mid 80s. Chance of precipitation 60 percent.
MONDAY NIGHT
Mostly cloudy with rain showers likely and slight chance of thunderstorms through around midnight, then partly cloudy with chance of light rain showers after midnight. Lows in the upper 50s. Chance of precipitation 60 percent.
TUESDAY
Mostly cloudy with a 50 percent chance of light rain showers. Cooler. Highs in the lower 70s.

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 AM CDT  5/13/2026
Wednesday
13 MAY 2026
AFTON, WI 53501 weather forecast Day 1, 12 hours 1 PM 59° 56° Mostly Cloudy 0%

0% Thunder
( 2% severe)
NNW   16 44% 37°
High 63° AFTON, WI 53501 weather forecast Day 1, 15 hours 4 PM 62° 60° Mostly Cloudy NNW   17 38% 36°
Decreasing Clouds



AFTON, WI 53501 weather forecast Day 1, 18 hours 7 PM 62° 60° Clear 0%

0% Thunder
( 1% severe)
N   13 38% 36°
AFTON, WI 53501 weather forecast Day 1, 21 hours 10 PM 50° 49° Clear N   3 58% 36°
Thursday
14 MAY 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 1 AM 44° 43° Clear 0%

0% Thunder
( 0% severe)
  CALM 73% 36°
Low 38° AFTON, WI 53501 weather forecast Day 2, 3 hours 4 AM 39° 37° Clear   CALM 85% 35°
High 70° AFTON, WI 53501 weather forecast Day 2, 6 hours 7 AM 42° 41° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 79% 36°

Clear



AFTON, WI 53501 weather forecast Day 2, 9 hours 10 AM 57° 58° Clear   CALM 45% 36°
AFTON, WI 53501 weather forecast Day 2, 12 hours 1 PM 65° 65° Clear 0%

0% Thunder
( 1% severe)
  CALM 33% 35°
AFTON, WI 53501 weather forecast Day 2, 15 hours 4 PM 69° 69° Clear S   8 27% 34°
AFTON, WI 53501 weather forecast Day 2, 18 hours 7 PM 67° 67° Partly Cloudy 1%

0% Thunder
( 5% severe)
SSE   9 33% 37°
AFTON, WI 53501 weather forecast Day 2, 21 hours 10 PM 55° 53° Mostly Cloudy SE   8 49% 36°
Friday
15 MAY 2026
AFTON, WI 53501 weather forecast Day 3, 0 hours 1 AM 53° 50° Mostly Cloudy 31%
RAIN
.25–.5 in
0% Thunder
( 8% severe)
SSE   9 52% 36°
Low 50° AFTON, WI 53501 weather forecast Day 3, 3 hours 4 AM 52° 48° Mostly Cloudy SSE   12 59% 38°
High 78° AFTON, WI 53501 weather forecast Day 3, 6 hours 7 AM 53° 49° Mostly Cloudy 8%

0% Thunder
( 3% severe)
S   14 64% 41°

Mostly Cloudy




Breezy
AFTON, WI 53501 weather forecast Day 3, 9 hours 10 AM 62° 60° Mostly Cloudy S   17 60% 48°
AFTON, WI 53501 weather forecast Day 3, 15 hours 1 PM 71° 71° Partly Cloudy 7%

0% Thunder
( 11% severe)
SSW   17 49% 51°
AFTON, WI 53501 weather forecast Day 3, 18 hours 4 PM 77° 78° Partly Cloudy SSW   16 43% 53°
AFTON, WI 53501 weather forecast Day 3, 21 hours 7 PM 77° 79° Partly Cloudy     SSW   15 47% 55°

JANESVILLE, WI extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 57° Low 57° Low 62° Low 59° Low 49°
High 85° High 76° High 85° High 71° High 70°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
34% Rain
Overcast
55% Rain
Overcast
34% Rain
Overcast
54% Rain
Mostly Cloudy
38% Rain
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