FORT ATKINSON, WI 53538 Weather Forecast & Current Conditions

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JANESVILLE, WI
Current Weather

8:45 PM CDT JUN 24, 2026
Scattered Clouds
64°F
Feels Like: 64°F
Dewpoint: 63°F
Rel. Hum.: 97%
Visibility: 10 miles
Wind: SW at 6 mph
Pressure: 29.93 inches
Last 72 hours

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FORT ATKINSON, WI 53538
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy then becoming mostly cloudy after midnight then becoming partly cloudy. Rain showers and thunderstorms likely in the evening. Some thunderstorms may be severe with damaging winds and large hail. Lows in the upper 50s. South winds up to 5 mph shifting to the west after midnight. Chance of precipitation 60 percent.
THURSDAY
Partly sunny. A 20 percent chance of light showers and thunderstorms in the afternoon. Highs in the mid 70s. Northwest winds 5 to 10 mph.
THURSDAY NIGHT
Partly cloudy until early morning then becoming mostly cloudy. Lows in the mid 50s. Northeast winds up to 5 mph.
FRIDAY
Partly sunny. Highs in the mid 70s. East winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy. Lows in the mid 50s. East winds up to 10 mph.
SATURDAY
Partly sunny. Highs in the upper 70s.
SATURDAY NIGHT
Partly cloudy through around midnight, then mostly cloudy with a 40 percent chance of light showers after midnight. Lows in the lower 60s.
SUNDAY
Partly sunny with a 20 percent chance of light showers and thunderstorms. Highs in the upper 80s.
SUNDAY NIGHT
Partly cloudy. A 20 percent chance of light showers and thunderstorms through around midnight. Warmer. Lows in the mid 70s.
MONDAY
Mostly sunny. Highs in the lower 90s.
MONDAY NIGHT
Mostly clear. Lows in the mid 70s.
TUESDAY
Sunny. A 20 percent chance of light showers and thunderstorms in the afternoon. Highs in the lower 90s.
TUESDAY NIGHT
Partly cloudy with a 50 percent chance of light showers and thunderstorms. Lows in the lower 70s.

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  7:00 AM CDT  6/24/2026
Wednesday
24 JUN 2026
FORT ATKINSON, WI 53538 weather forecast Day 1, 12 hours 1 PM 71° 71° Mostly Cloudy 91%
RAIN
***
0% Thunder
( 53% severe)
SW   14 76% 63°
High 74° FORT ATKINSON, WI 53538 weather forecast Day 1, 15 hours 4 PM 73° 73° Mostly Cloudy W   12 71% 63°
Mostly Cloudy

Rain

FORT ATKINSON, WI 53538 weather forecast Day 1, 18 hours 7 PM 73° 73° Partly Cloudy 54%
RAIN
1–2 in
0% Thunder
( 34% severe)
SW   8 68% 62°
FORT ATKINSON, WI 53538 weather forecast Day 1, 21 hours 10 PM 65° 65° Partly Cloudy   CALM 84% 60°
Thursday
25 JUN 2026
FORT ATKINSON, WI 53538 weather forecast Day 2, 0 hours 1 AM 61° 62° Partly Cloudy 3%

0% Thunder
( 6% severe)
  CALM 90% 58°
Low 56° FORT ATKINSON, WI 53538 weather forecast Day 2, 3 hours 4 AM 58° 59° Mostly Cloudy WSW   1 93% 56°
High 77° FORT ATKINSON, WI 53538 weather forecast Day 2, 6 hours 7 AM 60° 61° Partly Cloudy 2%

0% Thunder
( 6% severe)
W   3 93% 58°

Partly Cloudy



FORT ATKINSON, WI 53538 weather forecast Day 2, 9 hours 10 AM 69° 69° Partly Cloudy WNW   8 70% 59°
FORT ATKINSON, WI 53538 weather forecast Day 2, 12 hours 1 PM 74° 74° Partly Cloudy 7%

0% Thunder
( 14% severe)
WNW   10 55% 57°
FORT ATKINSON, WI 53538 weather forecast Day 2, 15 hours 4 PM 76° 78° Mostly Cloudy NW   9 52% 57°
FORT ATKINSON, WI 53538 weather forecast Day 2, 18 hours 7 PM 74° 74° Partly Cloudy 1%

0% Thunder
( 8% severe)
N   7 55% 57°
FORT ATKINSON, WI 53538 weather forecast Day 2, 21 hours 10 PM 64° 66° Mostly Cloudy ENE   2 78% 57°
Friday
26 JUN 2026
FORT ATKINSON, WI 53538 weather forecast Day 3, 0 hours 1 AM 59° 60° Mostly Cloudy 4%

0% Thunder
( 2% severe)
  CALM 87% 55°
Low 55° FORT ATKINSON, WI 53538 weather forecast Day 3, 3 hours 4 AM 56° 56° Partly Cloudy   CALM 93% 54°
High 75° FORT ATKINSON, WI 53538 weather forecast Day 3, 6 hours 7 AM 59° 58° Mostly Cloudy 6%

0% Thunder
( 1% severe)
ENE   6 90% 56°

Mostly Cloudy



FORT ATKINSON, WI 53538 weather forecast Day 3, 9 hours 10 AM 66° 66° Mostly Cloudy ENE   9 73% 57°
FORT ATKINSON, WI 53538 weather forecast Day 3, 15 hours 1 PM 72° 72° Mostly Cloudy 16%
RAIN
<.01 in
0% Thunder
( 2% severe)
E   12 59% 57°
FORT ATKINSON, WI 53538 weather forecast Day 3, 18 hours 4 PM 74° 74° Mostly Cloudy E   12 53% 56°
FORT ATKINSON, WI 53538 weather forecast Day 3, 21 hours 7 PM 72° 72° Mostly Cloudy     ENE   12 57% 56°

JANESVILLE, WI extended weather forecast

Saturday
27 JUN 2026
Sunday
28 JUN 2026
Monday
29 JUN 2026
Tuesday
30 JUN 2026
Wednesday
1 JUL 2026
Low 57° Low 67° Low 72° Low 71° Low 71°
High 83° High 90° High 94° High 94° High 92°
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
Partly Cloudy
17% Rain
Mostly Cloudy
36% Rain
Partly Cloudy
22% Rain
Partly Cloudy
26% Rain
Partly Cloudy
34% Rain
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