Rattlesnake Lake Weather Forecast

    • 54
    • 81

    Decreasing Clouds

    • 61
    • 81

    Mostly Cloudy

    • 61
    • 77

    Chance Rain Showers

    • 63
    • 82

    Chance Rain Showers

    • 62
    • 79

    Rain Showers Likely

    • 63
    • 78

    Rain Showers Likely

Today 25 Oct Hays

Patchy fog in the morning. Mostly cloudy. Highs in the lower 80s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 25 Oct Hays

Cloudy in the Evening, then becoming partly cloudy. Lows in the mid 50s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rattlesnake Lake Temperature Statistics

October Temperature

San Marcos, San Marcos Municipal Airport (16.2 miles)

  • Lowest 18 October, 2026

    46 °F

  • Average October

    73.7 °F

  • Highest 13 October, 2026

    95 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    60.2 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    82.7 °F
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