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Williamsville, Illinois Weather Forecast
Williamsville, Illinois Weather
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Weather Forecast for Williamsville, Illinois : Sangamon County
Issued: 3:31 am CST Nov 5, 2025 Latitude: 39.9542161 Longitude: -89.5487126 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Veterans Day
Mostly Clear on Overnight Sunny on Wednesday Sunny on Thursday Mostly Cloudy on Friday 30% chance of rain on Saturday Mostly Sunny on Sunday Sunny on Monday Mostly Sunny on Veterans Day
Low: 51°F High: 66°F High: 62°F High: 70°F High: 60°F High: 41°F High: 41°F High: 51°F
Low: 33°F Low: 50°F Low: 38°F Low: 31°F Low: 21°F Low: 23°F  
Mostly Clear Sunny Sunny Mostly Cloudy Rain Mostly Sunny Sunny Mostly Sunny
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Current Conditions at
SPRINGFIELD - (KSPI)
55°
Clear
as of 2:52 AM CST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
10 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
LOGAN COUNTY AIRPORT - (KAAA)
57°
Clear
as of 3:35 AM CST
Rel. Humidity: 67%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 17 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
TAYLORVILLE MUNICIPAL - (KTAZ)
54°
Clear
as of 3:37 AM CST
Rel. Humidity: 76%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DECATUR - (KDEC)
55°
Clear
as of 2:54 AM CST
Rel. Humidity: 71%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
14 MPH
210° Southwest
Cloud Level(s): Clear
Mostly Clear on Overnight Overnight... Mostly clear, with a low around 51. Southwest wind around 14 mph, with gusts as high as 24 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 66. West southwest wind 11 to 17 mph becoming north northwest in the afternoon. Winds could gust as high as 28 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 33. North northwest wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Sunny on Thursday Thursday... Sunny, with a high near 62. Light east wind becoming south southeast 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
50% chance of rain Thursday Night Thursday Night... A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 50. South southeast wind 13 to 15 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Mostly Cloudy on Friday Friday... Mostly cloudy, then gradually becoming sunny, with a high near 70. West wind 13 to 15 mph, with gusts as high as 23 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 38. West wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 16 mph.
30% chance of rain Saturday Saturday... A 30 percent chance of rain after noon. Partly sunny, with a high near 60.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 31.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 21.
Sunny on Monday Monday... Sunny, with a high near 41.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 23.
Mostly Sunny on Veterans Day Veterans Day... Mostly sunny, with a high near 51.
Current Radar Image


Sun Almanac for Williamsville, Illinois
Sunrise: 06:32 AM
Sunset: 4:51 PM
Civil Sunrise:06:04 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:00 AM
Astro Sunset: 6:23 PM
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