Alexander Lake Weather Forecast

    • 58
    • 68

    Rain Showers

    • 44
    • 72

    Rain Showers

    • 42
    • 71

    Mostly Sunny

    • 45
    • 73

    Sunny

    • 53
    • 76

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

Today 29 Jan Hays

Cloudy. Areas of drizzle late this Morning, then a chance of Showers this afternoon. Areas of dense fog late this Morning, then patchy fog this afternoon. Not as cool with Highs in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 29 Jan Hays

Showers likely with a slight chance of Thunderstorms in the Evening, then Showers with a chance of Thunderstorms after midnight. Patchy fog. Near steady temperature in the mid 60s. South Winds 10 to 15 Mph. Chance of rain 90 percent.

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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

    45.1 °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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