AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

1:45 PM CDT APR 20, 2026
Scattered Clouds
52°F
Feels Like: 49°F
Dewpoint: 21°F
Rel. Hum.: 29%
Visibility: 10 miles
Wind: SW at 9 mph
Pressure: 30.27 inches
Last 72 hours

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AFTON, WI 53501
Weather Forecast

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REST OF TODAY
Sunny. Near steady temperature in the lower 50s. South winds around 10 mph.
TONIGHT
Not as cool. Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows in the mid 40s. South winds 10 to 15 mph.
TUESDAY
Warmer. Mostly sunny. Highs in the lower 70s. Southwest winds 5 to 15 mph.
TUESDAY NIGHT
Mostly clear. Lows in the mid 40s. Northwest winds up to 5 mph shifting to the northeast after midnight.
WEDNESDAY
Sunny. Highs in the lower 70s. Southeast winds 5 to 10 mph.
WEDNESDAY NIGHT
Partly cloudy. Lows in the mid 50s.
THURSDAY
Partly sunny. Highs in the upper 70s.
THURSDAY NIGHT
Partly cloudy with chance of light rain showers and thunderstorms through around midnight, then mostly cloudy with light rain showers and chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 80 percent.
FRIDAY
Mostly cloudy with a 50 percent chance of light rain showers and thunderstorms. Highs around 70.
FRIDAY NIGHT
Partly cloudy. A 20 percent chance of light rain showers through around midnight. Colder. Lows in the mid 40s.
SATURDAY
Sunny in the morning then becoming partly sunny. Highs in the mid 60s.
SATURDAY NIGHT
Mostly cloudy. Lows in the lower 40s.
SUNDAY
Partly sunny. A 20 percent chance of light rain showers in the afternoon. 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 AM CDT  4/20/2026
Monday
20 APR 2026
AFTON, WI 53501 weather forecast Day 1, 12 hours 1 PM 50° 46° Clear 1%

0% Thunder
( 0% severe)
SSW   9 34% 23°
High 55° AFTON, WI 53501 weather forecast Day 1, 15 hours 4 PM 54° 51° Partly Cloudy SSW   10 33% 26°
Increasing Clouds



AFTON, WI 53501 weather forecast Day 1, 18 hours 7 PM 52° 48° Mostly Cloudy 1%

0% Thunder
( 1% severe)
S   10 43% 30°
AFTON, WI 53501 weather forecast Day 1, 21 hours 10 PM 45° 40° Mostly Cloudy S   10 58% 31°
Tuesday
21 APR 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 1 AM 45° 39° Mostly Cloudy 1%

0% Thunder
( 1% severe)
S   12 63% 33°
Low 44° AFTON, WI 53501 weather forecast Day 2, 3 hours 4 AM 46° 41° Partly Cloudy S   12 71% 37°
High 75° AFTON, WI 53501 weather forecast Day 2, 6 hours 7 AM 48° 43° Partly Cloudy 5%

0% Thunder
( 4% severe)
SSW   10 77% 41°

Partly Cloudy



AFTON, WI 53501 weather forecast Day 2, 9 hours 10 AM 60° 58° Partly Cloudy WSW   13 64% 48°
AFTON, WI 53501 weather forecast Day 2, 12 hours 1 PM 69° 69° Partly Cloudy 9%

0% Thunder
( 10% severe)
WSW   13 53% 51°
AFTON, WI 53501 weather forecast Day 2, 15 hours 4 PM 73° 73° Partly Cloudy W   10 48% 52°
AFTON, WI 53501 weather forecast Day 2, 18 hours 7 PM 70° 70° Partly Cloudy 5%

0% Thunder
( 7% severe)
WNW   6 57% 54°
AFTON, WI 53501 weather forecast Day 2, 21 hours 10 PM 58° 59° Partly Cloudy W   2 80% 52°
Wednesday
22 APR 2026
AFTON, WI 53501 weather forecast Day 3, 0 hours 1 AM 53° 53° Clear 2%

0% Thunder
( 1% severe)
NE   2 83% 48°
Low 47° AFTON, WI 53501 weather forecast Day 3, 3 hours 4 AM 49° 48° Partly Cloudy NE   3 89% 46°
High 75° AFTON, WI 53501 weather forecast Day 3, 6 hours 7 AM 48° 46° Partly Cloudy 0%

0% Thunder
( 1% severe)
ENE   5 86% 44°

Partly Cloudy



AFTON, WI 53501 weather forecast Day 3, 9 hours 10 AM 59° 58° Partly Cloudy E   6 67% 48°
AFTON, WI 53501 weather forecast Day 3, 15 hours 1 PM 69° 69° Clear 1%

0% Thunder
( 5% severe)
SE   8 51% 50°
AFTON, WI 53501 weather forecast Day 3, 18 hours 4 PM 73° 73° Partly Cloudy SSE   9 44% 50°
AFTON, WI 53501 weather forecast Day 3, 21 hours 7 PM 70° 70° Partly Cloudy     SE   8 51% 51°

JANESVILLE, WI extended weather forecast

Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Monday
27 APR 2026
Low 54° Low 57° Low 46° Low 44° Low 44°
High 78° High 70° High 62° High 64° High 64°
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
19% Rain
Overcast
70% Rain
Mostly Cloudy
28% Rain
Mostly Cloudy
27% Rain
Overcast
33% Rain
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