Harbor Square, Illinois Weather
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Weather Forecast for Harbor Square, Illinois : Cook County
Issued: 4:26 am CDT Jun 2, 2025 Latitude: 41.8644775 Longitude: -87.6236629 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Sunny on This Afternoon Cloudy on Tonight Partly Sunny on Tuesday 80% chance of thunderstorms on Wednesday 30% chance of rain on Thursday 20% chance of rain on Friday Mostly Sunny on Saturday 20% chance of on Sunday
High: 82°F Low: 66°F High: 87°F High: 63°F High: 63°F High: 65°F High: 65°F High: 74°F
Low: 58°F Low: 56°F Low: 58°F Low: 56°F Low: 58°F  
Mostly Sunny Cloudy Partly Sunny Thunderstorms Rain Rain Mostly Sunny Partly Sunny
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Mostly Sunny on This Afternoon This Afternoon... Mostly sunny, with a high near 82. South wind around 10 mph, with gusts as high as 15 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 66. South wind 10 to 15 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 87. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
70% chance of thunderstorms Tuesday Night Tuesday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
80% chance of thunderstorms Wednesday Wednesday... Showers and possibly a thunderstorm before 1pm, then showers likely. High near 63. West northwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 80%.
50% chance of rain Wednesday Night Wednesday Night... A 50 percent chance of showers. Mostly cloudy, with a low around 56.
30% chance of rain Thursday Thursday... A 30 percent chance of showers. Mostly cloudy, with a high near 63.
20% chance of rain Thursday Night Thursday Night... A chance of showers. Mostly cloudy, with a low around 58.
20% chance of rain Friday Friday... A chance of showers. Mostly sunny, with a high near 65.
20% chance of rain Friday Night Friday Night... A chance of showers before 1am. Mostly cloudy, with a low around 56.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 65.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 58.
20% chance of Sunday Sunday... A chance of showers. Partly sunny, with a high near 74.
Sun Almanac for Harbor Square, Illinois
Sunrise: 05:17 AM
Sunset: 8:20 PM
Civil Sunrise:04:44 AM
Civil Sunset: 8:54 PM
Nautical Sunrise: 04:01 AM
Nautical Sunset: 9:37 PM
Astro Sunrise: 03:10 AM
Astro Sunset: 10:27 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.