The Carter Memorial Airport Weather Forecast

    • 76
    • 100

    Hot

    • 76
    • 99

    Hot

    • 75
    • 97

    Hot

    • 75
    • 97

    Hot

    • 75
    • 96

    Hot

    • 76
    • 97

    Hot

    • 75
    • 98

    Hot

Today 5 Aug Caldwell

Sunny. Highs in the upper 90s. South Winds around 10 Mph. Highest heat index Readings up to 105.

Tonight 5 Aug Caldwell

Clear this Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

The Carter Memorial Airport Temperature Statistics

August Temperature

San Marcos, San Marcos Municipal Airport (16.8 miles)

  • Lowest 3 August, 2026

    70 °F

  • Average August

    85.8 °F

  • Highest 2 August, 2026

    100 °F

Climate (2021–2026)

San Marcos, San Marcos Municipal Airport (16.8 miles)

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    82.5 °F
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