Bluebonnet Lake Weather Forecast

    • 39
    • 66

    Sunny

    • 49
    • 77

    Sunny

    • 62
    • 84

    Partly Sunny

    • 39
    • 92

    Mostly Sunny

    • 35
    • 59

    Mostly Cloudy

    • 45
    • 68

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

Today 12 Mar Caldwell

Sunny. Much cooler with Highs in the mid 60s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 Mar Caldwell

Clear. Lows around 40. Light and variable Winds, becoming south around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bluebonnet Lake Temperature Statistics

March Temperature

San Marcos, San Marcos Municipal Airport (4.3 miles)

  • Lowest 7 March, 2026

    54 °F

  • Average March

    71.9 °F

  • Highest 4 March, 2026

    87.1 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    59.8 °F

  • Average 2021–2026

    70.6 °F

  • Average High 2021–2026

    82.2 °F
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