Mammoth Lake Weather Forecast

    • 45
    • 68

    Becoming Sunny

    • 50
    • 68

    Mostly Sunny

    • 60
    • 72

    Mostly Sunny

    • 64
    • 77

    Mostly Cloudy

    • 63
    • 76

    Mostly Cloudy

    • 65
    • 76

    Mostly Cloudy

Today 31 Jan Coastal Brazoria

Mostly cloudy. Highs in the upper 60s. West Winds around 5 Mph, becoming northwest 10 to 15 Mph.

Tonight 31 Jan Coastal Brazoria

Mostly clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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Mammoth Lake Temperature Statistics

January Temperature

Angleton / Lake Jackson, Brazoria County Airport (6.2 miles)

  • Lowest 22 January, 2025

    18 °F

  • Average January

    49.8 °F

  • Highest 5 January, 2025

    80.7 °F

Climate (2020–Present)

Angleton / Lake Jackson, Brazoria County Airport (6.2 miles)

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  • Average Low 2020–2025

    62.3 °F

  • Average 2020–2025

    71.2 °F

  • Average High 2020–2025

    81 °F
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