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Jamestown, Wisconsin Weather Forecast
Jamestown, Wisconsin Weather
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Weather Forecast for Jamestown, Wisconsin : Grant County
Issued: 3:16 am CST Dec 21, 2025 Latitude: 42.5877771 Longitude: -90.5484614 View on Google Maps

MouseOver for Detail Forecast
Overnight Sunday Monday Tuesday Wednesday Christmas Day Friday Saturday
Clear on Overnight Sunny on Sunday Mostly Cloudy on Monday Partly Sunny on Tuesday Cloudy on Wednesday Cloudy on Christmas Day Mostly Cloudy on Friday Mostly Cloudy on Saturday
Low: 9 °F High: 29°F High: 39°F High: 41°F High: 42°F High: 47°F High: 38°F High: 39°F
Low: 24 °F Low: 33°F Low: 28°F Low: 37°F Low: 31°F Low: 28°F  
Clear Sunny Mostly Cloudy Partly Sunny Cloudy Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
DUBUQUE - (KDBQ)
12°
Clear
as of 2:53 AM CST
Rel. Humidity: 72%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
BOSCOBEL - (KOVS)
12°
Clear
as of 2:53 AM CST
Rel. Humidity: 61%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MONTICELLO MUNICIPAL - (KMXO)
14°
Clear
as of 3:15 AM CST
Rel. Humidity: 72%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 30.31 in.
Flight Rule: VFR
Wind Data
6 MPH
280° West
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 9. Northwest wind 6 to 8 mph.

Sunny on Sunday Sunday... Sunny, with a high near 29. Calm wind becoming south around 6 mph in the morning.

Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a temperature falling to near 24 by 9pm, then rising to around 31 during the remainder of the night. South wind 6 to 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 39. South wind 8 to 11 mph, with gusts as high as 20 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 33. South wind around 7 mph becoming west after midnight.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 41. Northwest wind 3 to 6 mph.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28. Light and variable wind becoming southeast 5 to 7 mph after midnight.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 42. Southeast wind 5 to 8 mph.

Cloudy on Wednesday Night Wednesday Night... Cloudy, with a low around 37. Light and variable wind becoming east around 6 mph after midnight.

Cloudy on Christmas Day Christmas Day... Cloudy, with a high near 47. East wind around 7 mph becoming southwest in the afternoon.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 31. West wind 7 to 9 mph becoming north after midnight.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 38. North wind 6 to 8 mph becoming east in the afternoon.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 28. Southeast wind around 7 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 39. Southeast wind 6 to 8 mph becoming northwest in the afternoon.

Current Radar Image


Sun Almanac for Jamestown, Wisconsin
Sunrise: 07:29 AM
Sunset: 4:32 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:04 PM
Nautical Sunrise: 06:21 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:14 PM
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