Marietta, Illinois Weather
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Weather Forecast for Marietta, Illinois : Fulton County
Issued: 3:40 am CDT Sep 16, 2025 Latitude: 40.5011518 Longitude: -90.3926259 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
Mostly Cloudy on Overnight Sunny on Tuesday Sunny on Wednesday Mostly Sunny on Thursday 40% chance of rain on Friday 40% chance of rain on Saturday 20% chance of on Sunday Partly Sunny on Monday
Low: 59°F High: 92°F High: 91°F High: 92°F High: 84°F High: 83°F High: 84°F High: 84°F
Low: 58°F Low: 60°F Low: 63°F Low: 61°F Low: 61°F Low: 64°F  
Mostly Cloudy Sunny Sunny Mostly Sunny Rain Rain Partly Sunny Partly Sunny
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Current Conditions at
MACOMB MUNICIPAL AIRPORT - (KMQB)
61°
Clear
as of 3:15 AM CDST
Rel. Humidity: 93%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Clear
Current Conditions at
GALESBURG - (KGBG)
66°
Clear
as of 3:15 AM CDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
6 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
PEORIA - (KPIA)
66°
Clear
as of 2:54 AM CDST
Rel. Humidity: 72%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
7 MPH
070° East
Cloud Level(s): Clear
Current Conditions at
BURLINGTON - (KBRL)
70°
Clear
as of 2:53 AM CDST
Rel. Humidity: 68%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
3 MPH
110° East
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 59. Light east northeast wind.
Sunny on Tuesday Tuesday... Sunny, with a high near 92. Northeast wind 3 to 6 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Sunny on Wednesday Wednesday... Sunny, with a high near 91. Light east northeast wind.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 60. Light east wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 92. Calm wind becoming south southeast around 5 mph in the afternoon.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 63. Light southeast wind.
40% chance of rain Friday Friday... A 40 percent chance of showers. Mostly cloudy, with a high near 84.
40% chance of thunderstorms Friday Night Friday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
40% chance of rain Saturday Saturday... A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 83.
20% chance of rain Saturday Night Saturday Night... A chance of showers. Partly cloudy, with a low around 61.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 84.
20% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 64.
Partly Sunny on Monday Monday... Partly sunny, with a high near 84.
Current Radar Image


Sun Almanac for Marietta, Illinois
Sunrise: 06:44 AM
Sunset: 7:09 PM
Civil Sunrise:06:17 AM
Civil Sunset: 7:36 PM
Nautical Sunrise: 05:44 AM
Nautical Sunset: 8:08 PM
Astro Sunrise: 05:11 AM
Astro Sunset: 8:41 PM
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