Calaveras Lake Park Weather Forecast

    • 77
    • 103

    Hot

    • 77
    • 101

    Hot

    • 76
    • 100

    Hot

    • 75
    • 101

    Hot

    • 75
    • 99

    Hot

    • 74
    • 99

    Chance Thunderstorms

    • 73
    • 98

    Slight Chance Thunderstorms

Today 12 Sep Bexar

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 101. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent. Highest heat index Readings up to 109.

Tonight 12 Sep Bexar

Partly cloudy. A slight chance of Showers this evening. Lows in the mid 70s. Southeast Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Calaveras Lake Park Temperature Statistics

September Temperature

San Antonio, Stinson Municipal Airport (10.6 miles)

  • Lowest 10 September, 2026

    75.9 °F

  • Average September

    89.6 °F

  • Highest 2 September, 2026

    103.6 °F

Climate (2021–2026)

San Antonio, Stinson Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    85.4 °F
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