Marengo Weather Forecast

    • 39
    • 62

    Mostly Cloudy

    • 32
    • 65

    Mostly Cloudy

    • 36
    • 67

    Mostly Sunny

    • 40
    • 71

    Mostly Sunny

    • 45
    • 72

    Mostly Cloudy

    • 47
    • 75

    Mostly Cloudy

    • 50
    • 75

    Mostly Cloudy

Today 20 Sep Ashland

Mostly cloudy in the Morning, then becoming partly sunny. A 20 percent chance of Showers. Highs in the lower 70s.

Tonight 20 Sep Ashland

Mostly cloudy after midnight. Cooler with Lows in the upper 30s. Northeast Winds 5 to 10 Mph. Gusts up to 25 Mph this evening.

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Marengo Temperature Statistics

September Temperature

John F Kennedy Memorial Airport (9.3 miles)

  • Lowest 14 September, 2026

    31.6 °F

  • Average September

    63.9 °F

  • Highest 1 September, 2026

    89.7 °F

Climate (2021–2026)

John F Kennedy Memorial Airport (9.3 miles)

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  • Average Low 2021–2026

    33 °F

  • Average 2021–2026

    43.6 °F

  • Average High 2021–2026

    53.8 °F
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