Clayton, Illinois Weather
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Weather Forecast for Clayton, Illinois : Adams County
Issued: 5:26 am CDT Sep 16, 2025 Latitude: 40.0314366 Longitude: -90.9606897 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 Mostly Sunny on Thursday 50% chance of thunderstorms on Friday 40% chance of thunderstorms on Saturday 30% chance of on Sunday 20% chance of thunderstorms on Monday
High: 91°F Low: 61°F High: 90°F High: 92°F High: 81°F High: 82°F High: 83°F High: 83°F
Low: 61°F Low: 64°F Low: 62°F Low: 62°F Low: 64°F  
Sunny Mostly Clear Sunny Mostly Sunny Thunderstorms Thunderstorms Partly Sunny Thunderstorms
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Current Conditions at
QUINCY - (KUIN)
64°
Clear
as of 6:54 AM CDST
Rel. Humidity: 77%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
PITTSFIELD - (KPPQ)
61°
Clear
as of 6:55 AM CDST
Rel. Humidity: 100%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
59°
Clear
as of 6:55 AM CDST
Rel. Humidity: 93%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
KEOKUK MUNICIPAL - (KEOK)
63°
Clear
as of 6:55 AM CDST
Rel. Humidity: 93%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
060° Northeast
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 91. Northeast wind 3 to 8 mph.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 61. East wind around 6 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 90. East wind 3 to 5 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 61. Light east wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 92. South wind 3 to 6 mph.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64.
50% chance of thunderstorms Friday Friday... A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
50% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
40% chance of thunderstorms Saturday Saturday... A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
30% chance of Sunday Sunday... A 30 percent chance of showers. Partly sunny, with a high near 83.
30% chance of thunderstorms Sunday Night Sunday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
20% chance of thunderstorms Monday Monday... A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Current Radar Image


Sun Almanac for Clayton, Illinois
Sunrise: 06:46 AM
Sunset: 7:11 PM
Civil Sunrise:06:19 AM
Civil Sunset: 7:38 PM
Nautical Sunrise: 05:47 AM
Nautical Sunset: 8:10 PM
Astro Sunrise: 05:15 AM
Astro Sunset: 8:42 PM
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