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Attica, Wisconsin Weather Forecast
Attica, Wisconsin Weather
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Weather Forecast for Attica, Wisconsin : Green County
Issued: 1:37 am CST Nov 18, 2025 Latitude: 42.770005 Longitude: -89.4806753 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
90% chance of rain & snow on Overnight 80% chance of rain on Tuesday Cloudy on Wednesday 30% chance of rain on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday
Low: 34°F High: 40°F High: 45°F High: 54°F High: 46°F High: 47°F High: 50°F High: 52°F
Low: 33°F Low: 37°F Low: 32°F Low: 28°F Low: 31°F Low: 35°F  
Rain & Snow Rain Cloudy Rain Rain Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MONROE - (KEFT)
36°
Cloudy
Unknown Precip
as of 1:35 AM CST
Rel. Humidity: 86%
Dew Point: 32°F
Visibility: 4 Miles
Pressure: 30.02 in.
Flight Rule: MVFR
Wind Data
7 MPH
080° East
Cloud Level(s): Broken at 3700ft, Solid Overcast at 4500ft
Current Conditions at
JANESVILLE - (KJVL)
36°
Cloudy
Rain
as of 1:35 AM CST
Rel. Humidity: 93%
Dew Point: 34°F
Visibility: 7 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
8 MPH
090° East
Cloud Level(s): Scattered at 4500ft, Broken at 5500ft, Solid Overcast at 6500ft
Current Conditions at
MADISON - (KMSN)
39°
Cloudy
Light Rain
as of 12:53 AM CST
Rel. Humidity: 60%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
7 MPH
100° East
Cloud Level(s): Scattered at 4800ft, Broken at 7500ft, Solid Overcast at 9500ft
90% chance of rain & snow Overnight Overnight... Rain and snow, becoming all rain after 2am. Low around 34. East wind 5 to 10 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than a half inch possible.

80% chance of rain Tuesday Tuesday... Rain, mainly before 9am. High near 40. Northeast wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 33. Northeast wind 5 to 10 mph.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 45. Northeast wind around 5 mph becoming southeast in the afternoon.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 37. Calm wind becoming south around 5 mph.

30% chance of rain Thursday Thursday... A 30 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 54. South wind 5 to 10 mph becoming west in the afternoon.

30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32. West wind around 5 mph becoming north after midnight.

20% chance of rain Friday Friday... A 20 percent chance of rain. Partly sunny, with a high near 46. North wind 5 to 10 mph.

30% chance of rain Friday Night Friday Night... A 30 percent chance of rain, mainly before midnight. Partly cloudy, with a low around 28.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 47.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 31.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 50.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 35.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 52.

Sun Almanac for Attica, Wisconsin
Sunrise: 06:54 AM
Sunset: 4:32 PM
Civil Sunrise:06:23 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 05:49 AM
Nautical Sunset: 5:37 PM
Astro Sunrise: 05:16 AM
Astro Sunset: 6:11 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.