Third Lake Weather Forecast

    • 76
    • 92

    Slight Chance Thunderstorms

    • 71
    • 93

    Thunderstorms Likely

    • 67
    • 82

    Chance Thunderstorms

    • 69
    • 85

    Chance Thunderstorms

    • 69
    • 87

    Mostly Sunny

    • 70
    • 89

    Slight Chance Thunderstorms

Today 23 Jul Lake

Partly cloudy. A slight chance of Showers and Thunderstorms late in the afternoon. Hot and humid. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of precipitation 20 percent. Heat index Values up to 105.

Tonight 23 Jul Lake

Partly cloudy early in the Evening, then becoming mostly clear. Warm and humid with Lows in the upper 70s. Southwest Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Third Lake Temperature Statistics

July Temperature

Chicago/Waukegan Regional Airport (8.1 miles)

  • Lowest 17 July, 2025

    55.7 °F

  • Average July

    74.8 °F

  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Chicago/Waukegan Regional Airport (8.1 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59.5 °F
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