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Village of Algonquin, ILAlgonquin, IL 7-Day Night Weather Forecast
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Algonquin, IL Weather Forecast
Algonquin, IL Weather Forecast Date: 331 PM CDT Wed Sep 23 2026
The area/counties/county of: Mchenry, including the cities of: Crystal Lake, Algonquin, Mchenry, and Woodstock.or toggle through each period.
Late This Afternoon... Mostly cloudy. Temperatures in the mid 60s. East winds around 10 mph.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Thursday... Partly cloudy. Highs in the mid 60s. East winds 5 to 10 mph.
Thursday Night... Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.
Friday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. East winds around 5 mph.
Friday Night... Partly cloudy. Lows in the upper 40s. East winds around 5 mph.
Saturday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 60s.
Saturday Night... Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. Chance of precipitation 20%.
Sunday... Mostly cloudy. Highs in the mid 60s.
Sunday Night... Mostly cloudy. Lows around 50.
Monday... Partly cloudy. Highs in the upper 60s.
Monday Night... Partly cloudy. Lows in the lower 50s.
Tuesday... Partly cloudy in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs around 70. Chance of precipitation 40%.
Tuesday Night... Showers likely. Lows in the upper 50s. Chance of precipitation 70%.
POP = Probability of Precipitation
Algonquin Radar Loop
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