Marathon Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 60
    • 85

    Mostly Sunny

    • 60
    • 90

    Mostly Sunny

    • 59
    • 75

    Chance Thunderstorms

    • 59
    • 77

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

    • 61
    • 79

    Mostly Cloudy

Today 23 Sep Big Bend Area

Mostly clear. Lows 53 to 61. In the Mountains, southeast Winds around 10 Mph shifting to the southwest after midnight. Across the Lowlands, east Winds around 10 Mph in the evening becoming light and variable.

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Marathon Temperature Statistics

September Temperature

Alpine, Alpine-Casparis Municipal Airport (28.6 miles)

  • Lowest 11 September, 2018

    53.8 °F

  • Average September

    69.5 °F

  • Highest 1 September, 2018

    92.8 °F

Climate (2010–Present)

Alpine, Alpine-Casparis Municipal Airport (28.6 miles)

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  • Average Low 2010–Present

    50.6 °F

  • Average 2010–Present

    64.3 °F

  • Average High 2010–Present

    77.8 °F
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