Direct from the National Weather Service

The Lake County IL 7 Day Weather Forecast

Tonight
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Clear. Patchy fog after midnight. Lows in the upper 50s. Southeast winds around 5 miles per hour.
Thursday
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Partly sunny. Highs in the mid 70s. Southeast winds 5 to 10 miles per hour.
Thursday Night
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Mostly clear. Lows in the upper 50s. East winds around 5 miles per hour in the evening shifting to the southwest after midnight.
Friday
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Mostly sunny. Highs in the lower 80s inland. But only in the mid 70s near the lake. East winds around 5 miles per hour.
Friday Night
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Clear. Lows in the upper 50s. East winds around 5 miles per hour in the evening shifting to the north after midnight.
Saturday
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Sunny. Highs in the lower 80s inland. But only in the upper 70s near the lake.
Saturday Night
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Clear. Lows in the lower 60s.
Sunday
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Mostly sunny. Highs in the lower 80s inland. But only in the upper 70s near the lake.
Sunday Night Through Tuesday
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Mostly clear. Lows in the lower 60s. Highs around 80.
Tuesday Night
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Partly cloudy. Lows in the upper 50s.
Wednesday
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Partly sunny. Highs around 70.