Carter Lake Weather Forecast

    • 68
    • 88

    Chance Rain Showers

    • 67
    • 84

    Chance Thunderstorms

    • 68
    • 86

    Chance Thunderstorms

    • 70
    • 89

    Slight Chance Thunderstorms

    • 58
    • 86

    Chance Thunderstorms

    • 52
    • 72

    Slight Chance Thunderstorms

    • 56
    • 76

    Partly Sunny

Today 31 Oct Guadalupe

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms. Highs in the upper 80s. Southwest Winds around 5 Mph, becoming north this afternoon. Chance of rain 40 percent.

Tonight 31 Oct Guadalupe

Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the upper 60s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Carter Lake Temperature Statistics

October Temperature

San Marcos, San Marcos Municipal Airport (18 miles)

  • Lowest 17 October, 2024

    50 °F

  • Average October

    73.6 °F

  • Highest 14 October, 2024

    97 °F

Climate (2019–Present)

San Marcos, San Marcos Municipal Airport (18 miles)

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  • Average Low 2019–2024

    58.8 °F

  • Average 2019–2024

    69.5 °F

  • Average High 2019–2024

    81.4 °F
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