Marathon Weather Forecast

    • 66
    • 91

    Becoming Sunny

    • 67
    • 91

    Sunny

    • 68
    • 93

    Mostly Sunny

    • 68
    • 95

    Partly Sunny

    • 67
    • 94

    Slight Chance Thunderstorms

    • 67
    • 92

    Slight Chance Thunderstorms

    • 66
    • 91

    Mostly Sunny

Today 9 Aug Central Brewster County

Sunny. Highs in the lower 90s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 9 Aug Central Brewster County

Mostly clear. Lows in the upper 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Marathon Temperature Statistics

August Temperature

Alpine, Alpine-Casparis Municipal Airport (28.6 miles)

  • Lowest 2 August, 2026

    61.7 °F

  • Average August

    81 °F

  • Highest 4 August, 2026

    97.2 °F

Climate (2021–2026)

Alpine, Alpine-Casparis Municipal Airport (28.6 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    65.2 °F

  • Average High 2021–2026

    78.3 °F
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