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Jamestown, Wisconsin Weather Forecast
Jamestown, Wisconsin Weather
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Weather Forecast for Jamestown, Wisconsin : Grant County
Issued: 2:01 am CST Nov 3, 2025 Latitude: 42.5877771 Longitude: -90.5484614 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
20% chance of rain on Overnight Sunny on Monday Mostly Sunny on Tuesday Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday 30% chance of rain on Saturday Mostly Sunny on Sunday
Low: 38°F High: 58°F High: 60°F High: 57°F High: 56°F High: 55°F High: 47°F High: 41°F
Low: 38°F Low: 43°F Low: 34°F Low: 45°F Low: 33°F Low: 28°F  
Rain Sunny Mostly Sunny Sunny Partly Sunny Mostly Sunny Rain Mostly Sunny
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Current Conditions at
DUBUQUE - (KDBQ)
41°
Feels like 33°F
Clear
as of 1:53 AM CST
Rel. Humidity: 80%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
15 MPH
230° Southwest
Cloud Level(s): Clear
Current Conditions at
BOSCOBEL - (KOVS)
45°
Mostly Clear
as of 1:53 AM CST
Rel. Humidity: 70%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Few at 10000ft
Current Conditions at
MONTICELLO MUNICIPAL - (KMXO)
41°
Clear
as of 1:55 AM CST
Rel. Humidity: 86%
Dew Point: 37°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
7 MPH
200° South
Cloud Level(s): Clear
20% chance of rain Overnight Overnight... Isolated showers before 4am. Mostly cloudy, with a low around 38. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

Sunny on Monday Monday... Sunny, with a high near 58. West wind 8 to 15 mph, with gusts as high as 26 mph.

Increasing Clouds on Monday Night Monday Night... Increasing clouds, with a low around 38. West wind 5 to 7 mph becoming calm in the evening.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 60. South wind 5 to 13 mph, with gusts as high as 22 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 43. South wind around 7 mph becoming west after midnight.

Sunny on Wednesday Wednesday... Sunny, with a high near 57. Northwest wind 7 to 13 mph.

Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 34. Northwest wind around 6 mph becoming calm in the evening.

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 56. South wind 5 to 15 mph, with gusts as high as 25 mph.

60% chance of rain Thursday Night Thursday Night... Rain likely, mainly before midnight. Mostly cloudy, with a low around 45. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 55. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 33. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

30% chance of rain Saturday Saturday... A 30 percent chance of rain. Partly sunny, with a high near 47. Northeast wind 6 to 10 mph becoming west in the morning.

30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain. Mostly cloudy, with a low around 28. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

Current Radar Image


Sun Almanac for Jamestown, Wisconsin
Sunrise: 06:39 AM
Sunset: 4:52 PM
Civil Sunrise:06:10 AM
Civil Sunset: 5:22 PM
Nautical Sunrise: 05:36 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 6:28 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.