Flying J Airport Weather Forecast

    • 48
    • 75

    Mostly Sunny

    • 50
    • 73

    Increasing Clouds

    • 62
    • 75

    Mostly Cloudy

    • 60
    • 79

    Mostly Cloudy

    • 60
    • 77

    Mostly Cloudy

    • 60
    • 77

    Mostly Cloudy

    • 58
    • 78

    Mostly Cloudy

Today 20 Dec Comal

Mostly sunny. Highs in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Comal

Mostly clear. Lows in the upper 40s. Southwest Winds around 5 Mph, becoming west after midnight.

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Flying J Airport Temperature Statistics

December Temperature

San Antonio, San Antonio International Airport (14.9 miles)

  • Lowest 9 December, 2025

    35.1 °F

  • Average December

    55.1 °F

  • Highest 18 December, 2025

    80.1 °F

Climate (2020–Present)

San Antonio, San Antonio International Airport (14.9 miles)

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  • Average Low 2020–2025

    61.8 °F

  • Average 2020–2025

    71.5 °F

  • Average High 2020–2025

    82.7 °F
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