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Foss Park, IL Weather Forecast
Foss Park, IL Weather Forecast Date: 156 PM CDT Thu Oct 08 2026
The area/counties/county of: Lake County Il, including the cities of: Waukegan, Buffalo Grove, Mundelein, and Gurnee.or toggle through each period.
This Afternoon... Sunny. Highs around 70. Northwest winds 5 to 10 mph.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows around 50. Northwest winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly cloudy. Isolated showers late in the morning. Scattered showers in the afternoon. A slight chance of thunderstorms late. Highs around 70. Southeast winds around 5 mph, increasing to around 10 mph in the afternoon. Chance of precipitation 50%.
Friday Night... Mostly clear. Near steady temperature in the upper 50s. South winds 5 to 10 mph.
Saturday... Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. South winds 10 to 15 mph.
Saturday Night... Mostly cloudy. Lows in the upper 50s.
Sunday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s inland, but only in the upper 60s near the lake.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
Columbus Day... Partly cloudy. Highs in the upper 70s.
Monday Night... Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 50s. Chance of precipitation 30%.
Tuesday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 60s.
Tuesday Night... Mostly cloudy. Lows in the upper 40s.
POP = Probability of Precipitation
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