AFTON, WI 53501 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

5:45 PM CDT MAR 28, 2026
Overcast
48°F
Feels Like: 42°F
Dewpoint: 18°F
Rel. Hum.: 29%
Visibility: 10 miles
Wind: SSW at 17 mph, gusts to 25
Pressure: 30.32 inches
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AFTON, WI 53501
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
LATE THIS AFTERNOON
Sunny. Southwest winds 15 to 20 mph.
TONIGHT
Not as cool. Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy then becoming mostly cloudy early in the morning. Lows in the mid 30s. South winds 10 to 15 mph.
SUNDAY
Not as cool. Partly sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph.
SUNDAY NIGHT
Mostly clear. Lows in the mid 40s. South winds 5 to 10 mph.
MONDAY
Warmer. Mostly sunny. Highs in the mid 70s. South winds 5 to 15 mph.
MONDAY NIGHT
Warmer. Mostly cloudy. Chance of light rain and thunderstorms through around midnight, then light rain likely and chance of thunderstorms after midnight. Lows in the upper 50s. Southwest winds 10 to 15 mph. Chance of precipitation 60 percent.
TUESDAY
Mostly cloudy. Chance of light rain and slight chance of thunderstorms in the morning, then light rain likely and chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 70 percent.
TUESDAY NIGHT
Mostly cloudy. Chance of light rain through around midnight, then slight chance of light rain and snow after midnight. Much colder. Lows in the lower 30s. Chance of precipitation 40 percent.
WEDNESDAY
Partly sunny. Much cooler. Highs in the mid 40s.
WEDNESDAY NIGHT
Mostly cloudy with a 20 percent chance of light snow. Lows in the upper 20s.
THURSDAY
Partly sunny with a 40 percent chance of light snow, possibly mixed with rain. Highs in the lower 40s.
THURSDAY NIGHT
Mostly cloudy. Chance of light rain, possibly mixed with snow through around midnight, then chance of light rain after midnight. Lows in the lower 30s. Chance of precipitation 40 percent.
FRIDAY
Mostly cloudy with a 20 percent chance of light rain. Not as cool. Highs in the mid 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  6:00 AM CST  3/28/2026
Saturday
28 MAR 2026
AFTON, WI 53501 weather forecast Day 1, 12 hours 12 PM 41° 34° Clear 0%

0% Thunder
( 0% severe)
SSW   13 31% 14°
High 49° AFTON, WI 53501 weather forecast Day 1, 15 hours 3 PM 48° 42° Partly Cloudy SSW   16 24% 14°
Partly Cloudy



AFTON, WI 53501 weather forecast Day 1, 18 hours 6 PM 45° 39° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   14 32% 18°
AFTON, WI 53501 weather forecast Day 1, 21 hours 9 PM 40° 33° Partly Cloudy SSW   12 47% 22°
Sunday
29 MAR 2026
AFTON, WI 53501 weather forecast Day 2, 0 hours 12 AM 38° 30° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSW   12 58% 25°
Low 35° AFTON, WI 53501 weather forecast Day 2, 3 hours 3 AM 37° 30° Mostly Cloudy S   10 66% 27°
High 64° AFTON, WI 53501 weather forecast Day 2, 6 hours 6 AM 37° 30° Mostly Cloudy 1%

0% Thunder
( 0% severe)
S   10 66% 27°

Mostly Cloudy



AFTON, WI 53501 weather forecast Day 2, 9 hours 9 AM 48° 42° Mostly Cloudy SSW   14 49% 30°
AFTON, WI 53501 weather forecast Day 2, 12 hours 12 PM 59° 56° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSW   15 36% 32°
AFTON, WI 53501 weather forecast Day 2, 15 hours 3 PM 64° 63° Partly Cloudy SSW   15 34% 35°
AFTON, WI 53501 weather forecast Day 2, 18 hours 6 PM 59° 57° Clear 0%

0% Thunder
( 1% severe)
SSW   10 44% 37°
AFTON, WI 53501 weather forecast Day 2, 21 hours 9 PM 51° 48° Partly Cloudy S   8 63% 39°
Monday
30 MAR 2026
AFTON, WI 53501 weather forecast Day 3, 0 hours 12 AM 48° 45° Partly Cloudy 1%

0% Thunder
( 1% severe)
SSW   7 74% 40°
Low 44° AFTON, WI 53501 weather forecast Day 3, 3 hours 3 AM 46° 42° Partly Cloudy SSW   7 83% 41°
High 76° AFTON, WI 53501 weather forecast Day 3, 6 hours 6 AM 46° 42° Partly Cloudy 0%

0% Thunder
( 1% severe)
S   7 83% 41°

Partly Cloudy



AFTON, WI 53501 weather forecast Day 3, 9 hours 9 AM 58° 56° Partly Cloudy SSW   10 67% 47°
AFTON, WI 53501 weather forecast Day 3, 15 hours 12 PM 69° 69° Partly Cloudy 5%

0% Thunder
( 5% severe)
SSW   13 49% 49°
AFTON, WI 53501 weather forecast Day 3, 18 hours 3 PM 75° 75° Partly Cloudy SSW   14 43% 51°
AFTON, WI 53501 weather forecast Day 3, 21 hours 6 PM 71° 71° Mostly Cloudy     S   13 53% 53°

JANESVILLE, WI extended weather forecast

Tuesday
31 MAR 2026
Wednesday
1 APR 2026
Thursday
2 APR 2026
Friday
3 APR 2026
Saturday
4 APR 2026
Low 61° Low 36° Low 29° Low 32° Low 31°
High 72° High 51° High 41° High 50° High 51°
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
Overcast
66% Rain
Partly Cloudy
24% Rain/Snow
Overcast
51% Snow
Overcast
34% Rain/Snow
Overcast
60% Rain
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