AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

3:35 AM CDT MAR 19, 2026
Broken Clouds
32°F
Feels Like: 26°F
Dewpoint: 30°F
Rel. Hum.: 92%
Visibility: 10 miles
Wind: ESE at 6 mph
Pressure: 30.00 inches
Last 72 hours

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AFTON, WI 53501
Weather Forecast

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Snow Depth pages
REST OF TONIGHT
Not as cold. Mostly cloudy. A 20 percent chance of light freezing rain early in the morning. Near steady temperature around 30. South winds up to 5 mph.
THURSDAY
Partly sunny. Patchy fog in the morning. Highs in the upper 40s. East winds up to 5 mph.
THURSDAY NIGHT
Mostly cloudy. Lows in the mid 30s. Southeast winds around 5 mph shifting to the southwest after midnight.
FRIDAY
Mostly cloudy. Highs in the upper 50s. West winds 5 to 10 mph.
FRIDAY NIGHT
Mostly cloudy. Lows in the upper 30s. North winds up to 5 mph shifting to the southeast after midnight.
SATURDAY
Partly sunny. Highs in the mid 60s.
SATURDAY NIGHT
Partly cloudy. A 20 percent chance of light rain after midnight. Lows in the lower 40s.
SUNDAY
Mostly cloudy. A 20 percent chance of light rain in the morning. Cooler. Highs in the upper 40s.
SUNDAY NIGHT
Mostly cloudy through around midnight then becoming partly cloudy. Colder. Lows in the upper 20s.
MONDAY
Sunny. Highs in the mid 40s.
MONDAY NIGHT
Partly cloudy through around midnight then becoming mostly cloudy. Lows in the upper 20s.
TUESDAY
Mostly cloudy. Highs in the lower 50s.
TUESDAY NIGHT
Mostly cloudy. Lows in the lower 30s.

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  3/18/2026
Thursday
19 MAR 2026
AFTON, WI 53501 weather forecast Day 1, 0 hours 12 AM 29° 26° Mostly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 2% severe)
S   1 96% 28°
Low 28° AFTON, WI 53501 weather forecast Day 1, 3 hours 3 AM 29° 26° Mostly Cloudy SSE   1 96% 28°
High 48° AFTON, WI 53501 weather forecast Day 1, 6 hours 6 AM 29° 26° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SSE   1 92% 27°

Partly Cloudy



AFTON, WI 53501 weather forecast Day 1, 9 hours 9 AM 37° 35° Partly Cloudy ESE   2 89% 34°
AFTON, WI 53501 weather forecast Day 1, 12 hours 12 PM 44° 42° Partly Cloudy 1%

0% Thunder
( 0% severe)
SE   3 79% 38°
AFTON, WI 53501 weather forecast Day 1, 15 hours 3 PM 48° 47° Partly Cloudy ESE   3 71% 39°
AFTON, WI 53501 weather forecast Day 1, 18 hours 6 PM 43° 41° Mostly Cloudy 3%

0% Thunder
( 1% severe)
ESE   3 82% 38°
AFTON, WI 53501 weather forecast Day 1, 21 hours 9 PM 38° 36° Mostly Cloudy SSE   3 89% 35°
Friday
20 MAR 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 12 AM 37° 33° Mostly Cloudy 6%

0% Thunder
( 1% severe)
S   5 92% 35°
Low 35° AFTON, WI 53501 weather forecast Day 2, 3 hours 3 AM 39° 35° Mostly Cloudy SSW   6 92% 37°
High 57° AFTON, WI 53501 weather forecast Day 2, 6 hours 6 AM 40° 35° Mostly Cloudy 0%

0% Thunder
( 1% severe)
SW   8 92% 38°

Mostly Cloudy



AFTON, WI 53501 weather forecast Day 2, 9 hours 9 AM 47° 43° Mostly Cloudy W   8 86% 43°
AFTON, WI 53501 weather forecast Day 2, 12 hours 12 PM 54° 52° Mostly Cloudy 0%

0% Thunder
( 1% severe)
WNW   8 74% 46°
AFTON, WI 53501 weather forecast Day 2, 15 hours 3 PM 57° 55° Mostly Cloudy NW   8 64% 45°
AFTON, WI 53501 weather forecast Day 2, 18 hours 6 PM 51° 49° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   6 77% 44°
AFTON, WI 53501 weather forecast Day 2, 21 hours 9 PM 44° 42° Mostly Cloudy N   3 89% 41°

JANESVILLE, WI extended weather forecast

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Low 41° Low 40° Low 49° Low 33° Low 29°
High 62° High 61° High 63° High 45° High 51°
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
5% Rain
Partly Cloudy
4% Rain
Mostly Cloudy
20% Rain
Partly Cloudy
21% Rain/Snow
Partly Cloudy
10% Rain/Snow
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