AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

6:45 AM CDT MAR 20, 2026
Broken Clouds
46°F
Feels Like: 41°F
Dewpoint: 41°F
Rel. Hum.: 83%
Visibility: 10 miles
Wind: SW at 10 mph
Pressure: 29.76 inches
Last 72 hours

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AFTON, WI 53501
Weather Forecast

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Snow Depth pages
EARLY THIS MORNING
Mostly cloudy. Southwest winds 5 to 15 mph.
TODAY
Partly sunny. Highs in the upper 50s. Northwest winds 5 to 15 mph.
TONIGHT
Mostly cloudy. Lows in the upper 30s. Northeast winds up to 5 mph shifting to the southeast after midnight.
SATURDAY
Partly sunny until late afternoon then clearing. Highs in the mid 60s. South winds 5 to 15 mph.
SATURDAY NIGHT
Partly cloudy. A 20 percent chance of light rain after midnight. Lows in the upper 40s. Southwest winds 5 to 10 mph.
SUNDAY
Cooler. Cloudy with a 30 percent chance of light rain. Highs in the lower 50s. North winds 10 to 20 mph.
SUNDAY NIGHT
Mostly cloudy through around midnight then becoming partly cloudy. Colder. Lows in the upper 20s.
MONDAY
Mostly sunny. Highs in the upper 40s.
MONDAY NIGHT
Mostly clear through around midnight then becoming mostly cloudy. Lows in the lower 30s.
TUESDAY
Mostly cloudy. Highs in the lower 50s.
TUESDAY NIGHT
Mostly cloudy. Lows in the lower 30s.
WEDNESDAY
Partly sunny. Highs in the lower 50s.
WEDNESDAY NIGHT
Partly cloudy. Lows around 40.

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  6:00 PM CST  3/19/2026
Friday
20 MAR 2026
AFTON, WI 53501 weather forecast Day 1, 0 hours 12 AM 39° 35° Mostly Cloudy 3%

0% Thunder
( 1% severe)
SSW   6 92% 37°
Low 38° AFTON, WI 53501 weather forecast Day 1, 3 hours 3 AM 41° 36° Mostly Cloudy SSW   8 93% 39°
High 58° AFTON, WI 53501 weather forecast Day 1, 6 hours 6 AM 43° 38° Mostly Cloudy 1%

0% Thunder
( 1% severe)
WSW   9 93% 41°

Mostly Cloudy



AFTON, WI 53501 weather forecast Day 1, 9 hours 9 AM 50° 46° Mostly Cloudy WNW   9 83% 45°
AFTON, WI 53501 weather forecast Day 1, 12 hours 12 PM 55° 52° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NNW   9 72% 46°
AFTON, WI 53501 weather forecast Day 1, 15 hours 3 PM 56° 54° Mostly Cloudy NNW   9 64% 44°
AFTON, WI 53501 weather forecast Day 1, 18 hours 6 PM 51° 49° Mostly Cloudy 3%

0% Thunder
( 0% severe)
N   6 71% 42°
AFTON, WI 53501 weather forecast Day 1, 21 hours 9 PM 44° 43° Mostly Cloudy NNE   2 86% 40°
Saturday
21 MAR 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 12 AM 40° 38° Mostly Cloudy 5%

0% Thunder
( 0% severe)
E   2 92% 38°
Low 36° AFTON, WI 53501 weather forecast Day 2, 3 hours 3 AM 39° 37° Mostly Cloudy SSE   3 92% 37°
High 65° AFTON, WI 53501 weather forecast Day 2, 6 hours 6 AM 38° 34° Mostly Cloudy 0%

0% Thunder
( 1% severe)
SSE   5 96% 37°

Mostly Cloudy



AFTON, WI 53501 weather forecast Day 2, 9 hours 9 AM 45° 41° Mostly Cloudy S   8 79% 39°
AFTON, WI 53501 weather forecast Day 2, 12 hours 12 PM 57° 55° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   10 59% 43°
AFTON, WI 53501 weather forecast Day 2, 15 hours 3 PM 64° 63° Partly Cloudy SSW   12 52% 46°
AFTON, WI 53501 weather forecast Day 2, 18 hours 6 PM 61° 60° Partly Cloudy 1%

0% Thunder
( 2% severe)
SSW   9 62% 48°
AFTON, WI 53501 weather forecast Day 2, 21 hours 9 PM 55° 53° Partly Cloudy SSW   8 80% 49°

JANESVILLE, WI extended weather forecast

Sunday
22 MAR 2026
Monday
23 MAR 2026
Tuesday
24 MAR 2026
Wednesday
25 MAR 2026
Thursday
26 MAR 2026
Low 48° Low 30° Low 31° Low 36° Low 50°
High 52° High 46° High 48° High 57° High 63°
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
Mostly Cloudy
20% Rain
Partly Cloudy
5% Rain/Snow
Partly Cloudy
13% Rain/Snow
Mostly Cloudy
12% Rain
Mostly Cloudy
28% Rain
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