Ranch Triangle Weather Forecast

    • 55
    • 66

    Increasing Clouds

    • 56
    • 68

    Partly Sunny

    • 56
    • 73

    Mostly Cloudy

    • 53
    • 64

    Mostly Cloudy

    • 51
    • 61

    Mostly Cloudy

    • 52
    • 64

    Partly Sunny

Today 23 Oct Central Cook

Mostly sunny. Highs in the lower 70s Inland, but only in the upper 60s near the lake. Southeast Winds around 5 Mph.

Tonight 23 Oct Central Cook

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 50s. Southeast Winds 5 to 10 Mph.

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Ranch Triangle Temperature Statistics

October Temperature

Chicago, Chicago Midway Airport (9.9 miles)

  • Lowest 17 October, 2026

    41 °F

  • Average October

    62.2 °F

  • Highest 12 October, 2026

    88 °F

Climate (2021–2026)

Chicago, Chicago Midway Airport (9.9 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.8 °F
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