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City of Harvard, ILHarvard, IL 7-Day Night Weather Forecast
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Harvard, IL Weather Forecast
Harvard, IL Weather Forecast Date: 931 PM CDT Sat Oct 31 2026
The area/counties/county of: Mchenry, including the cities of: Crystal Lake, Algonquin, Mchenry, and Woodstock.or toggle through each period.
Rest of Tonight... Cloudy. A slight chance of rain late in the evening. A chance of rain after midnight. Nearly steady temperatures in the lower 50s. Southeast winds around 5 mph. Chance of precipitation 30%.
Sunday... Mostly cloudy. A slight chance of sprinkles. Highs in the mid 60s. Southeast winds around 5 mph.
Sunday Night... Mostly cloudy. Lows in the lower 50s. Southeast winds around 5 mph.
Monday... Cloudy. A chance of showers in the afternoon. Highs in the mid 60s. South winds 5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 40%.
Monday Night... Showers likely. Nearly steady temperatures in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 70%.
Tuesday... Showers, breezy with highs in the lower 70s. Chance of precipitation 80%.
Tuesday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 50s. Chance of precipitation 70%.
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the mid 60s.
Wednesday Night... Mostly cloudy. A chance of showers in the evening. Lows in the mid 40s. Chance of precipitation 30%.
Thursday... Mostly cloudy. Highs in the lower 60s.
Thursday Night... Mostly cloudy. Lows in the mid 40s.
Friday... Mostly cloudy. A chance of showers in the morning. Highs in the lower 60s. Chance of precipitation 30%.
Friday Night... Mostly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
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