Alexander Lake Weather Forecast

    • 44
    • 71

    Chance Thunderstorms

    • 39
    • 71

    Mostly Sunny

    • 45
    • 73

    Sunny

    • 54
    • 76

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

    • 62
    • 78

    Mostly Cloudy

    • 62
    • 80

    Partly Sunny

Today 30 Jan Hays

Showers and Thunderstorms this morning. Patchy fog this morning. Highs in the lower 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 30 Jan Hays

Mostly cloudy this Evening, then clearing. Cooler with Lows in the mid 40s. West Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alexander Lake Temperature Statistics

January Temperature

San Marcos, San Marcos Municipal Airport (5.6 miles)

  • Lowest 22 January, 2025

    19 °F

  • Average January

    45.3 °F

  • Highest 5 January, 2025

    75.9 °F

Climate (2020–Present)

San Marcos, San Marcos Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    59 °F

  • Average 2020–2025

    69.7 °F

  • Average High 2020–2025

    81.4 °F
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