Marathon Weather Forecast

    • 63
    • 78

    Thunderstorms Likely

    • 61
    • 77

    Thunderstorms Likely

    • 59
    • 77

    Chance Thunderstorms

    • 58
    • 72

    Thunderstorms Likely

    • 54
    • 71

    Chance Thunderstorms

    • 51
    • 69

    Thunderstorms Likely

    • 51
    • 69

    Chance Thunderstorms

Today 24 Sep Big Bend Area

Mostly cloudy with Showers and Thunderstorms likely. Locally heavy rainfall possible. Highs in the lower 70s in the Mountains to around 90 along the Rio Grande. East Winds 10 to 15 Mph. Chance of precipitation 70 percent.

Tonight 24 Sep Big Bend Area

Mostly cloudy with Showers and Thunderstorms likely. Lows 64 to 70. East Winds 10 to 15 Mph. Chance of precipitation 60 percent.

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  • Temperature Forecast NOAA

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Marathon Temperature Statistics

September Temperature

Alpine, Alpine-Casparis Municipal Airport (28.6 miles)

  • Lowest 11 September, 2017

    49.6 °F
  • Average September

    74.7 °F
  • Highest 14 September, 2017

    95.9 °F

Climate (2010–Present)

Alpine, Alpine-Casparis Municipal Airport (28.6 miles)

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  • Average Low 2010–Present

    50.3 °F
  • Average 2010–Present

    64 °F
  • Average High 2010–Present

    77.3 °F
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