Heritage Weather Forecast

    • 47
    • 67

    Sunny

    • 53
    • 77

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

    • 63
    • 78

    Mostly Cloudy

    • 62
    • 78

    Mostly Cloudy

    • 61
    • 77

    Partly Sunny

Today 19 Dec Bexar

Sunny, cooler with Highs in the upper 60s. Northeast Winds around 5 Mph, becoming south this afternoon.

Tonight 19 Dec Bexar

Clear. Lows in the upper 40s. South Winds around 5 Mph.

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Heritage Temperature Statistics

December Temperature

San Antonio - Kelly Field (6.2 miles)

  • Lowest 9 December, 2025

    34.5 °F

  • Average December

    54.6 °F

  • Highest 7 December, 2025

    81.5 °F

Climate (2020–Present)

San Antonio - Kelly Field (6.2 miles)

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  • Average Low 2020–2025

    61.5 °F

  • Average 2020–2025

    72 °F

  • Average High 2020–2025

    83.2 °F
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