Grellton, Wisconsin Weather
your sport, your way
Air Sports Net on FacebookAir Sports Net on Google +Air Sports Net on TwitterReceive RSS UpdatesReceive Email Updates

Click for Hazardous Weather Outlook for Grellton, Wisconsin
Change location by the zip code or city,state: or search for other weather forecast locations in Wisconsin by name.
Weather Forecast for Grellton, Wisconsin : Jefferson County
Issued: 5:24 am CDT Jun 15, 2025 Latitude: 43.1349999 Longitude: -88.7884375 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Juneteenth Friday Saturday
Mostly Cloudy on Today Mostly Cloudy on Tonight Mostly Sunny on Monday 60% chance of thunderstorms on Tuesday 70% chance of thunderstorms on Wednesday 20% chance of rain on Juneteenth 20% chance of thunderstorms on Friday 20% chance of rain on Saturday
High: 81°F Low: 59°F High: 83°F High: 88°F High: 79°F High: 80°F High: 85°F High: 88°F
Low: 64°F Low: 64°F Low: 61°F Low: 60°F Low: 68°F  
Mostly Cloudy Mostly Cloudy Mostly Sunny Thunderstorms Thunderstorms Rain Thunderstorms Rain
-
Current Conditions at
WATERTOWN - (KRYV)
59°
Mostly Cloudy
as of 6:15 AM CDST
Rel. Humidity: 82%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 7000ft, Broken at 8000ft
Current Conditions at
MADISON - (KMSN)
57°
Mostly Cloudy
as of 5:53 AM CDST
Rel. Humidity: 87%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Few at 7000ft, Broken at 12000ft, Broken at 25000ft
Current Conditions at
WAUKESHA - (KUES)
57°
Clear
as of 5:55 AM CDST
Rel. Humidity: 87%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Cloudy on Today Today... Mostly cloudy, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 59. East wind around 5 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 83. South wind around 5 mph.
30% chance of thunderstorms Monday Night Monday Night... A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 30%.
60% chance of thunderstorms Tuesday Tuesday... Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Tuesday Night Tuesday Night... Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible.
70% chance of thunderstorms Wednesday Wednesday... Showers and thunderstorms likely. Mostly cloudy, with a high near 79. West wind 5 to 10 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
40% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. Northwest wind around 5 mph. Chance of precipitation is 40%.
20% chance of rain Juneteenth Juneteenth... A 20 percent chance of showers. Sunny, with a high near 80.
20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60.
20% chance of thunderstorms Friday Friday... A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
30% chance of thunderstorms Friday Night Friday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
20% chance of rain Saturday Saturday... A 20 percent chance of showers. Mostly sunny, with a high near 88.
Current Radar Image


Sun Almanac for Grellton, Wisconsin
Sunrise: 05:15 AM
Sunset: 8:37 PM
Civil Sunrise:04:39 AM
Civil Sunset: 9:12 PM
Nautical Sunrise: 03:53 AM
Nautical Sunset: 9:58 PM
Astro Sunrise: 02:56 AM
Astro Sunset: 10:56 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.