Rattlesnake Lake Weather Forecast

    • 69
    • 90

    Partly Sunny

    • 74
    • 91

    Slight Chance Thunderstorms

    • 74
    • 93

    Partly Sunny

    • 73
    • 92

    Slight Chance Thunderstorms

    • 67
    • 88

    Chance Rain Showers

    • 61
    • 82

    Slight Chance Rain Showers

Today 11 Oct Hays

Partly cloudy in the Morning, then clearing. Highs around 90. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 11 Oct Hays

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Gusts up to 30 Mph, decreasing to 20 Mph after midnight.

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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 7 October, 2026

    62.1 °F

  • Average October

    76.1 °F

  • Highest 8 October, 2026

    93 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    60.3 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    82.6 °F
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