Rattlesnake Lake Weather Forecast

    • 76
    • 96

    Chance Thunderstorms

    • 75
    • 99

    Hot

    • 75
    • 100

    Hot

    • 75
    • 98

    Hot

    • 75
    • 97

    Hot

    • 75
    • 95

    Mostly Sunny

Today 1 Aug Hays

Partly cloudy with a slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs in the upper 90s. West Winds around 5 Mph, becoming northwest this afternoon. Chance of rain 20 percent. Highest heat index Readings up to 106.

Tonight 1 Aug Hays

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy after midnight. Lows in the mid 70s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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Rattlesnake Lake Temperature Statistics

August Temperature

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average August

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Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    82.4 °F
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