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Arrowhead Park, IL Weather Forecast
Arrowhead Park, IL Weather Forecast Date: 416 PM CDT Tue Oct 06 2026
The area/counties/county of: Southern Cook, including the cities of: Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest.or toggle through each period.
Late This Afternoon... Sunny. Temperatures in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Mostly clear. Lows in the mid 50s. Southwest winds around 10 mph.
Wednesday... Mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. West winds around 5 mph.
Thursday... Partly cloudy in the morning, then clearing. Highs in the upper 60s. Northwest winds 5 to 10 mph.
Thursday Night... Mostly clear. Lows in the upper 40s. Northwest winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly sunny. Highs around 70.
Friday Night... Mostly clear. Lows in the mid 50s.
Saturday... Sunny. Highs around 80.
Saturday Night... Partly cloudy. Lows in the lower 60s.
Sunday... Partly cloudy. Highs in the mid 70s.
Sunday Night... Partly cloudy. Lows in the upper 50s.
Columbus Day... Partly cloudy. Highs in the mid 70s.
Monday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 50s. Chance of precipitation 30%.
POP = Probability of Precipitation
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