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Grellton, Wisconsin Weather Forecast
Grellton, Wisconsin Weather
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Weather Forecast for Grellton, Wisconsin : Jefferson County
Issued: 5:12 am CST Nov 2, 2025 Latitude: 43.1349999 Longitude: -88.7884375 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Thursday Friday Saturday
Fog on Overnight Morning Fog on Sunday Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Thursday 20% chance of rain on Friday 30% chance of rain on Saturday
Low: 25°F High: 51°F High: 58°F High: 60°F High: 58°F High: 56°F High: 58°F High: 53°F
Low: 39°F Low: 32°F Low: 41°F Low: 31°F Low: 42°F Low: 35°F  
Fog Morning Fog Sunny Partly Sunny Mostly Cloudy Mostly Cloudy Rain Rain
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Current Conditions at
WATERTOWN - (KRYV)
25°
Clear
as of 5:35 AM CST
Rel. Humidity: 100%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
JUNEAU - (KUNU)
28°
Partly Cloudy
Mist
as of 5:15 AM CST
Rel. Humidity: 100%
Dew Point: 28°F
Visibility: 1 1/4 Miles
Pressure: 30.19 in.
Flight Rule: IFR
Wind Data
7 MPH
130° Southeast
Cloud Level(s): Scattered at 100ft, Scattered at 12000ft
Current Conditions at
MADISON - (KMSN)
27°
Mostly Clear
as of 4:53 AM CST
Rel. Humidity: 100%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
3 MPH
170° South
Cloud Level(s): Few at 200ft
Current Conditions at
WAUKESHA - (KUES)
32°
Mostly Cloudy
Mist
as of 5:35 AM CST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 3/4 Miles
Pressure: 30.20 in.
Flight Rule: LIFR
Wind Data
Calm
Cloud Level(s): Broken at 100ft
Fog on Overnight Overnight... Areas of dense fog. Otherwise, partly cloudy, with a low around 25. Calm wind.

Morning Fog on Sunday Sunday... Patchy dense fog before 7am. Otherwise, mostly sunny, with a high near 51. Light south wind becoming southwest 10 to 15 mph in the morning.

40% chance of rain Sunday Night Sunday Night... A 40 percent chance of rain, mainly between 11pm and 3am. Increasing clouds, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunny on Monday Monday... Sunny, with a high near 58. West wind 10 to 15 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 32. West wind 5 to 10 mph becoming light in the evening.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 60. Light and variable wind becoming south 5 to 10 mph in the morning.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 41. Southeast wind around 5 mph becoming north after midnight.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, then gradually becoming sunny, with a high near 58. Northwest wind 5 to 10 mph.

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

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 56.

50% chance of rain Thursday Night Thursday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 42.

20% chance of rain Friday Friday... A 20 percent chance of rain. Partly sunny, with a high near 58.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 35.

30% chance of rain Saturday Saturday... A 30 percent chance of rain. Partly sunny, with a high near 53.

Current Radar Image


Sun Almanac for Grellton, Wisconsin
Sunrise: 06:32 AM
Sunset: 4:45 PM
Civil Sunrise:06:02 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 05:29 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 04:55 AM
Astro Sunset: 6:22 PM
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