Rattlesnake Lake Weather Forecast

    • 74
    • 95

    Partly Sunny

    • 75
    • 95

    Partly Sunny

    • 75
    • 95

    Slight Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 75
    • 96

    Hot

Today 4 Jul Hays

Partly cloudy. Highs in the mid 90s. South Winds around 5 Mph.

Tonight 4 Jul Hays

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Rattlesnake Lake Temperature Statistics

July Temperature

San Marcos, San Marcos Municipal Airport (16.2 miles)

  • Lowest 2 July, 2026

    73.9 °F

  • Average July

    84.6 °F

  • Highest 1 July, 2026

    96.1 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    60 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    82.4 °F
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