River Forest Weather Forecast

    • 70
    • 82

    Partly Sunny

    • 73
    • 89

    Partly Sunny

    • 80
    • 96

    Mostly Sunny

    • 74
    • 97

    Thunderstorms Likely

    • 72
    • 89

    Chance Thunderstorms

    • 73
    • 88

    Chance Thunderstorms

    • 73
    • 91

    Partly Sunny

Today 21 Jul Central Cook

Partly cloudy. Hazy late in the morning. Highs in the lower 80s Inland, but only in the upper 70s near the lake. East Winds around 10 Mph.

Tonight 21 Jul Central Cook

Partly cloudy. Lows around 70. East Winds 5 to 10 Mph, becoming southeast after midnight.

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River Forest Temperature Statistics

July Temperature

Chicago, Chicago-O'Hare International Airport (6.8 miles)

  • Lowest 17 July, 2025

    58.6 °F

  • Average July

    77.9 °F

  • Highest 3 July, 2025

    95.6 °F

Climate (2020–Present)

Chicago, Chicago-O'Hare International Airport (6.8 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    53.4 °F

  • Average High 2020–2025

    61.7 °F
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