FORT ATKINSON, WI 53538 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

11:45 AM CDT APR 1, 2026
Broken Clouds
41°F
Feels Like: 32°F
Dewpoint: 28°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind: ENE at 21 mph, gusts to 30
Pressure: 30.23 inches
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FORT ATKINSON, WI 53538
Weather Forecast

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REST OF TODAY
Colder. Partly sunny. Highs in the lower 40s. Northeast winds 15 to 20 mph.
TONIGHT
Chance of light rain showers through around midnight, then rain showers after midnight. Lows in the mid 30s. East winds 15 to 20 mph with gusts to around 35 mph. Chance of showers near 100 percent.
THURSDAY
Warmer. Rain showers and chance of thunderstorms. Highs in the mid 60s. East winds 15 to 20 mph shifting to the south in the afternoon. Gusts up to 35 mph. Chance of precipitation near 100 percent.
THURSDAY NIGHT
Mostly cloudy with light rain showers and chance of thunderstorms through around midnight, then partly cloudy after midnight. Lows in the lower 40s. Southwest winds 10 to 20 mph. Chance of precipitation 80 percent.
FRIDAY
Partly sunny. A 30 percent chance of light rain showers in the afternoon. Highs in the lower 60s. West winds 5 to 10 mph shifting to the east in the afternoon.
FRIDAY NIGHT
Rain showers and chance of thunderstorms. Lows in the lower 40s. Chance of precipitation near 100 percent.
SATURDAY
Mostly cloudy with a 50 percent chance of light rain showers. Highs in the upper 50s.
SATURDAY NIGHT
Mostly cloudy. A 20 percent chance of light rain showers through around midnight. Colder. Lows in the lower 30s.
SUNDAY
Mostly cloudy. Cooler. Highs in the upper 40s.
SUNDAY NIGHT
Mostly clear. Lows in the upper 20s.
MONDAY
Partly sunny. Slight chance of light rain showers and snow showers in the morning, then chance of light rain showers in the afternoon. Highs in the lower 50s. Chance of precipitation 40 percent.
MONDAY NIGHT
Mostly cloudy. Chance of light rain showers through around midnight, then slight chance of light rain showers and snow showers after midnight. Lows in the upper 20s. Chance of precipitation 40 percent.
TUESDAY
Partly sunny. Highs in the mid 40s.

Visible Weather Satellite
FORT ATKINSON, WI 53538
Infrared Weather Satellite
FORT ATKINSON, WI 53538
NEXRAD Weather Radar
FORT ATKINSON, WI 53538

JANESVILLE, WI 3 hourly weather forecast

weather forecast created  6:00 AM CST  4/ 1/2026
Wednesday
1 APR 2026
FORT ATKINSON, WI 53538 weather forecast Day 1, 12 hours 12 PM 42° 34° Mostly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 1% severe)
ENE   16 57% 28°
High 45° FORT ATKINSON, WI 53538 weather forecast Day 1, 15 hours 3 PM 44° 36° Mostly Cloudy E   17 51% 27°
Mostly Cloudy

Rain Likely


Breezy
FORT ATKINSON, WI 53538 weather forecast Day 1, 18 hours 6 PM 41° 32° Mostly Cloudy 73%
RAIN
.5–1 in
0% Thunder
( 6% severe)
E   17 57% 27°
FORT ATKINSON, WI 53538 weather forecast Day 1, 21 hours 9 PM 37° 28° Mostly Cloudy E   15 75% 30°
Thursday
2 APR 2026
FORT ATKINSON, WI 53538 weather forecast Day 2, 0 hours 12 AM 36° 26° Mostly Cloudy 96%
RAIN
***
0% Thunder
( 12% severe)
E   16 85% 32°
Low 36° FORT ATKINSON, WI 53538 weather forecast Day 2, 3 hours 3 AM 36° 26° Mostly Cloudy E   16 89% 33°
High 66° FORT ATKINSON, WI 53538 weather forecast Day 2, 6 hours 6 AM 38° 29° Mostly Cloudy 95%
RAIN
***
0% Thunder
( 19% severe)
E   15 92% 36°

Mostly Cloudy

Rain


Breezy
FORT ATKINSON, WI 53538 weather forecast Day 2, 9 hours 9 AM 44° 37° Mostly Cloudy ESE   15 93% 42°
FORT ATKINSON, WI 53538 weather forecast Day 2, 12 hours 12 PM 56° 52° Mostly Cloudy 94%
RAIN
***
0% Thunder
( 24% severe)
SSE   17 90% 53°
FORT ATKINSON, WI 53538 weather forecast Day 2, 15 hours 3 PM 64° 62° Mostly Cloudy SSW   21 78% 57°
FORT ATKINSON, WI 53538 weather forecast Day 2, 18 hours 6 PM 64° 62° Mostly Cloudy 78%
RAIN
***
0% Thunder
( 25% severe)
S   21 78% 57°
FORT ATKINSON, WI 53538 weather forecast Day 2, 21 hours 9 PM 60° 57° Mostly Cloudy SW   18 84% 55°
Friday
3 APR 2026
FORT ATKINSON, WI 53538 weather forecast Day 3, 0 hours 12 AM 52° 47° Mostly Cloudy 8%

0% Thunder
( 2% severe)
WSW   15 89% 49°
Low 42° FORT ATKINSON, WI 53538 weather forecast Day 3, 3 hours 3 AM 46° 41° Mostly Cloudy W   12 86% 42°
High 63° FORT ATKINSON, WI 53538 weather forecast Day 3, 6 hours 6 AM 43° 39° Mostly Cloudy 4%

0% Thunder
( 0% severe)
W   6 86% 39°

Mostly Cloudy

Chance of Rain

FORT ATKINSON, WI 53538 weather forecast Day 3, 9 hours 9 AM 47° 44° Partly Cloudy W   6 74% 39°
FORT ATKINSON, WI 53538 weather forecast Day 3, 15 hours 12 PM 56° 55° Partly Cloudy 30%
RAIN
.01–.1 in
0% Thunder
( 9% severe)
E   6 59% 42°
FORT ATKINSON, WI 53538 weather forecast Day 3, 18 hours 3 PM 61° 60° Mostly Cloudy ESE   10 56% 45°
FORT ATKINSON, WI 53538 weather forecast Day 3, 21 hours 6 PM 57° 54° Mostly Cloudy     E   14 64% 45°

JANESVILLE, WI extended weather forecast

Saturday
4 APR 2026
Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Low 45° Low 34° Low 31° Low 30° Low 31°
High 55° High 50° High 49° High 47° High 50°
FORT ATKINSON, WI 53538 weather forecast Day 4 FORT ATKINSON, WI 53538 weather forecast Day 5 FORT ATKINSON, WI 53538 weather forecast Day 6 FORT ATKINSON, WI 53538 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
84% Rain
Overcast
34% Rain/Snow
Partly Cloudy
13% Rain/Snow
Partly Cloudy
15% Rain/Snow
Partly Cloudy
22% Rain/Snow
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