Merritt Lake Weather Forecast

    • 43
    • 69

    Becoming Sunny

    • 38
    • 61

    Partly Sunny

    • 35
    • 57

    Partly Sunny

    • 42
    • 58

    Mostly Cloudy

    • 49
    • 72

    Mostly Cloudy

    • 38
    • 65

    Chance Rain Showers

Today 6 Oct North St. Louis

Mostly sunny. Highs in the upper 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 6 Oct North St. Louis

Mostly clear. Lows in the lower 40s. West Winds 5 to 10 Mph.

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Merritt Lake Temperature Statistics

October Temperature

Cook Municipal Airport (18 miles)

  • Lowest 2 October, 2026

    32 °F

  • Average October

    49 °F

  • Highest 3 October, 2026

    60.8 °F

Climate (2021–2026)

Cook Municipal Airport (18 miles)

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  • Average Low 2021–2026

    30.2 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    51.7 °F
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