AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

9:50 PM CDT JUN 9, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 70°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: Calm
Pressure: 29.85 inches
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AFTON, WI 53501
Weather Forecast

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TONIGHT
Partly cloudy through around midnight, then chance of light showers and thunderstorms after midnight. Mostly cloudy with light showers likely and chance of thunderstorms early in the morning. Lows in the upper 60s. Northeast winds up to 5 mph shifting to the southeast after midnight. Chance of precipitation 60 percent.
WEDNESDAY
Very warm and humid. Partly sunny. Chance of showers and thunderstorms until late afternoon, then showers likely and chance of thunderstorms late in the afternoon. Highs around 90. South winds 10 to 20 mph. Chance of precipitation 60 percent. Highest heat index readings 95 to 98 in the late morning and early afternoon.
WEDNESDAY NIGHT
Mostly cloudy until early morning then becoming partly cloudy. Showers likely and chance of thunderstorms through around midnight, then slight chance of light showers and thunderstorms after midnight. Lows in the upper 60s. Southwest winds 15 to 20 mph decreasing to 5 to 10 mph after midnight. Chance of precipitation 70 percent.
THURSDAY
Mostly cloudy. Chance of light showers and slight chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. South winds up to 10 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation 90 percent.
THURSDAY NIGHT
Cooler. Mostly cloudy with rain showers with thunderstorms likely through around midnight, then partly cloudy after midnight. Lows in the mid 50s. West winds 5 to 20 mph. Chance of precipitation 80 percent.
FRIDAY
Sunny. Highs in the upper 70s.
FRIDAY NIGHT
Clear. Lows in the upper 50s.
SATURDAY
Mostly sunny. A 20 percent chance of light showers and thunderstorms in the afternoon. Highs in the lower 80s.
SATURDAY NIGHT
Partly cloudy with rain showers likely and chance of thunderstorms through around midnight, then mostly cloudy with chance of light rain showers after midnight. Lows in the upper 50s. Chance of precipitation 60 percent.
SUNDAY
Partly sunny with a 30 percent chance of light showers. Highs in the mid 70s.
SUNDAY NIGHT
Mostly cloudy through around midnight then becoming partly cloudy. A 20 percent chance of light rain showers. Lows in the lower 50s.
MONDAY
Partly sunny. Slight chance of light rain showers in the morning, then slight chance of light rain showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 20 percent.
MONDAY NIGHT
Partly cloudy. Lows in the lower 50s.

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  6/ 9/2026
Tuesday
9 JUN 2026
AFTON, WI 53501 weather forecast Day 1, 12 hours 1 PM 82° 85° Mostly Cloudy 3%

0% Thunder
( 24% severe)
W   9 65% 69°
High 87° AFTON, WI 53501 weather forecast Day 1, 15 hours 4 PM 86° 89° Mostly Cloudy W   9 55% 68°
Mostly Cloudy



AFTON, WI 53501 weather forecast Day 1, 18 hours 7 PM 86° 89° Partly Cloudy 3%

0% Thunder
( 14% severe)
W   5 55% 68°
AFTON, WI 53501 weather forecast Day 1, 21 hours 10 PM 75° 75° Partly Cloudy   CALM 74% 66°
Wednesday
10 JUN 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 1 AM 70° 70° Partly Cloudy 42%
RAIN
<.01 in
0% Thunder
( 41% severe)
  CALM 84% 65°
Low 66° AFTON, WI 53501 weather forecast Day 2, 3 hours 4 AM 68° 68° Mostly Cloudy SSE   5 90% 65°
High 91° AFTON, WI 53501 weather forecast Day 2, 6 hours 7 AM 71° 71° Mostly Cloudy 13%
RAIN
.01–.1 in
0% Thunder
( 20% severe)
S   9 90% 68°

Mostly Cloudy

Chance of Rain

AFTON, WI 53501 weather forecast Day 2, 9 hours 10 AM 80° 84° Partly Cloudy SSW   14 77% 72°
AFTON, WI 53501 weather forecast Day 2, 12 hours 1 PM 88° 94° Mostly Cloudy 36%
RAIN
***
0% Thunder
( 42% severe)
SSW   17 57% 71°
AFTON, WI 53501 weather forecast Day 2, 15 hours 4 PM 89° 94° Mostly Cloudy SSW   20 52% 69°
AFTON, WI 53501 weather forecast Day 2, 18 hours 7 PM 87° 91° Mostly Cloudy 80%
RAIN
***
0% Thunder
( 49% severe)
S   20 55% 69°
AFTON, WI 53501 weather forecast Day 2, 21 hours 10 PM 77° 79° Mostly Cloudy SSW   16 71% 67°
Thursday
11 JUN 2026
AFTON, WI 53501 weather forecast Day 3, 0 hours 1 AM 75° 75° Mostly Cloudy 15%
RAIN
.01–.1 in
0% Thunder
( 13% severe)
SW   13 76% 67°
Low 68° AFTON, WI 53501 weather forecast Day 3, 3 hours 4 AM 70° 70° Mostly Cloudy WSW   8 87% 66°
High 87° AFTON, WI 53501 weather forecast Day 3, 6 hours 7 AM 71° 71° Partly Cloudy 49%
RAIN
***
0% Thunder
( 18% severe)
WSW   7 87% 67°

Mostly Cloudy

Rain

AFTON, WI 53501 weather forecast Day 3, 9 hours 10 AM 77° 79° Mostly Cloudy S   9 76% 69°
AFTON, WI 53501 weather forecast Day 3, 15 hours 1 PM 82° 85° Mostly Cloudy 91%
RAIN
***
0% Thunder
( 66% severe)
S   14 63% 68°
AFTON, WI 53501 weather forecast Day 3, 18 hours 4 PM 82° 85° Mostly Cloudy S   17 63% 68°
AFTON, WI 53501 weather forecast Day 3, 21 hours 7 PM 77° 79° Mostly Cloudy     SSW   16 71% 67°

JANESVILLE, WI extended weather forecast

Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Tuesday
16 JUN 2026
Low 60° Low 57° Low 61° Low 57° Low 53°
High 81° High 82° High 75° High 76° High 73°
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
Mostly Cloudy
50% Rain
Partly Cloudy
20% Rain
Overcast
63% Rain
Mostly Cloudy
57% Rain
Partly Cloudy
46% Rain
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