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Portage Park, ChicagoPortage Park, IL 7-Day Night Weather Forecast
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Portage Park, IL Weather Forecast
Portage Park, IL Weather Forecast Date: 841 PM CDT Thu Aug 20 2026
The area/counties/county of: Central Cook, including the cities of: Chicago, Cicero, Oak Lawn, Oak Park, and La Grange.or toggle through each period.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph, becoming west after midnight.
Friday... Mostly cloudy. A slight chance of showers and thunderstorms late. Highs around 80. Southwest winds 5 to 10 mph. Chance of precipitation 20%.
Friday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of precipitation 50%.
Saturday... Partly cloudy in the morning, then clearing. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Saturday Night... Mostly clear. Lows in the lower 60s. North winds 5 to 10 mph.
Sunday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.
Sunday Night... Partly cloudy. Lows around 60.
Monday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s.
Monday Night... Partly cloudy. Lows in the lower 60s.
Tuesday... Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s.
Tuesday Night... Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 30%.
Wednesday... Mostly cloudy in the morning, then becoming partly cloudy. Highs around 80.
Wednesday Night... Partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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