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Attica, Wisconsin Weather Forecast
Attica, Wisconsin Weather
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Weather Forecast for Attica, Wisconsin : Green County
Issued: 5:12 am CST Dec 28, 2025 Latitude: 42.770005 Longitude: -89.4806753 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday New Year's Day Friday Saturday
20% chance of on Overnight 100% chance of rain on Sunday 40% chance of blowing snow on Monday Partly Sunny on Tuesday 20% chance of snow on Wednesday Mostly Sunny on New Year's Day Mostly Sunny on Friday Partly Sunny on Saturday
Low: 40°F High: 47°F High: 21°F High: 26°F High: 27°F High: 18°F High: 25°F High: 30°F
Low: 14°F Low: 8 °F Low: 20°F Low: 11°F Low: 6°F Low: 15°F  
Fog Rain Blowing Snow Partly Sunny Snow Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MONROE - (KEFT)
39°
Cloudy
Fog
as of 4:55 AM CST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 1/4 Miles
Pressure: 29.64 in.
Flight Rule: LIFR
Wind Data
6 MPH
070° East
Cloud Level(s): Solid Overcast at 200ft
Current Conditions at
JANESVILLE - (KJVL)
39°
Cloudy
Fog
as of 4:50 AM CST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 1/2 Miles
Pressure: 29.67 in.
Flight Rule: LIFR
Wind Data
3 MPH
050° Northeast
Cloud Level(s): Solid Overcast at 300ft
Current Conditions at
MADISON - (KMSN)
39°
Cloudy
Mist
as of 4:53 AM CST
Rel. Humidity: 100%
Dew Point: 39°F
Visibility: 3/4 Miles
Pressure: 29.67 in.
Flight Rule: MVFR
Wind Data
3 MPH
060° Northeast
Current Conditions at
ALBERTUS AIRPORT - (KFEP)
45°
Cloudy
as of 4:55 AM CST
Rel. Humidity: 87%
Dew Point: 41°F
Visibility: 1/4 Miles
Pressure: 29.66 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Solid Overcast at 200ft
20% chance of Overnight Overnight... A chance of drizzle. Areas of dense fog. Otherwise, cloudy, with a low around 40. East wind around 5 mph.
100% chance of rain Sunday Sunday... Rain, mainly after 8am. Areas of dense fog before noon. High near 47. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
100% chance of blowing snow Sunday Night Sunday Night... A chance of rain and snow before 7pm, then snow. Patchy blowing snow after 9pm. Low around 14. Wind chill values between -5 and 5. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
40% chance of blowing snow Monday Monday... A 40 percent chance of snow before 9am. Areas of blowing snow. Cloudy, then gradually becoming mostly sunny, with a high near 21. Wind chill values between -5 and 5. Windy, with a northwest wind 20 to 30 mph, with gusts as high as 40 mph.
Blowing Snow on Monday Night Monday Night... Patchy blowing snow before 7pm. Mostly clear, with a low around 8. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 26. Southwest wind 10 to 15 mph.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 20. West wind around 10 mph.
20% chance of snow Wednesday Wednesday... A 20 percent chance of snow after noon. Mostly cloudy, with a high near 27. Northwest wind 10 to 15 mph.
30% chance of snow Wednesday Night Wednesday Night... A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 11.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 18.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 6.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 25.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 15.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 30.
Current Radar Image


Sun Almanac for Attica, Wisconsin
Sunrise: 07:28 AM
Sunset: 4:31 PM
Civil Sunrise:06:56 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:39 PM
Astro Sunrise: 05:46 AM
Astro Sunset: 6:14 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.