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

No Watches or Warnings for Williamsburg
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Forecast for Williamsburg, Illinois : Jefferson County
Issued: 5:31 am CDT Sep 16, 2025 Latitude: 38.2278278 Longitude: -89.0586833 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight Sunny on Wednesday Sunny on Thursday 20% chance of on Friday 20% chance of thunderstorms on Saturday 20% chance of on Sunday 20% chance of thunderstorms on Monday
High: 94°F Low: 64°F High: 93°F High: 95°F High: 90°F High: 85°F High: 86°F High: 86°F
Low: 63°F Low: 65°F Low: 65°F Low: 64°F Low: 65°F  
Sunny Mostly Clear Sunny Sunny Partly Sunny Thunderstorms Partly Sunny Thunderstorms
-
Current Conditions at
MT VERNON - (KMVN)
66°
Partly Cloudy
as of 4:56 AM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 7000ft
Current Conditions at
CENTRALIA MUNICIPAL ARPT - (KENL)
64°
Partly Cloudy
as of 5:35 AM CDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 7000ft
Current Conditions at
SALEM-LECKRONE ARPT - (KSLO)
68°
Partly Cloudy
as of 5:35 AM CDST
Rel. Humidity: 82%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.13 in.
Flight Rule: VFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Scattered at 7000ft
Current Conditions at
CARBONDALE - (KMDH)
64°
Clear
Mist
as of 4:52 AM CDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 4 Miles
Pressure: 30.09 in.
Flight Rule: MVFR
Wind Data
Calm
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 94. Calm wind becoming east northeast around 6 mph in the afternoon.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 64. Light east northeast wind.
Sunny on Wednesday Wednesday... Sunny, with a high near 93. Calm wind becoming east northeast around 5 mph in the afternoon.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 63. Light east southeast wind.
Sunny on Thursday Thursday... Sunny, with a high near 95. Calm wind becoming south southeast around 6 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 65. East southeast wind around 5 mph becoming calm in the evening.
20% chance of Friday Friday... A 20 percent chance of showers after 1pm. Partly sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.
20% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
20% chance of thunderstorms Saturday Saturday... A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Calm wind becoming south southwest 5 to 7 mph in the morning.
10% chance of thunderstorms Saturday Night Saturday Night... A slight chance of showers, with thunderstorms also possible after 1am. Partly cloudy, with a low around 64. Light south wind.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 86. Light south wind increasing to 6 to 11 mph in the morning.
20% chance of thunderstorms Sunday Night Sunday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 65. South wind around 6 mph.
20% chance of thunderstorms Monday Monday... A chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind 5 to 9 mph.
Current Radar Image


Sun Almanac for Williamsburg, Illinois
Sunrise: 06:39 AM
Sunset: 7:03 PM
Civil Sunrise:06:13 AM
Civil Sunset: 7:29 PM
Nautical Sunrise: 05:42 AM
Nautical Sunset: 8:00 PM
Astro Sunrise: 05:10 AM
Astro Sunset: 8:32 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.