Rattlesnake Lake Weather Forecast

    • 61
    • 83

    Increasing Clouds

    • 57
    • 84

    Partly Sunny

    • 57
    • 80

    Mostly Cloudy

    • 42
    • 76

    Mostly Sunny

    • 40
    • 65

    Partly Sunny

    • 39
    • 65

    Mostly Sunny

Today 18 Feb Hays

Patchy fog this morning. Partly cloudy. Highs in the lower 80s. South Winds around 5 Mph.

Tonight 18 Feb Hays

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rattlesnake Lake Temperature Statistics

February Temperature

San Marcos, San Marcos Municipal Airport (16.2 miles)

  • Lowest 1 February, 2026

    23 °F

  • Average February

    60.3 °F

  • Highest 6 February, 2026

    84 °F

Climate (2021–Present)

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    59.7 °F

  • Average 2021–2026

    70.4 °F

  • Average High 2021–2026

    82.1 °F
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