Heritage Weather Forecast

    • 56
    • 89

    Sunny

    • 58
    • 94

    Mostly Sunny

    • 58
    • 94

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 61
    • 88

    Mostly Sunny

    • 60
    • 91

    Mostly Sunny

Today 20 Mar Bexar

Sunny. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 20 Mar Bexar

Clear. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Heritage Temperature Statistics

March Temperature

San Antonio - Kelly Field (6.2 miles)

  • Lowest 18 March, 2026

    41.9 °F

  • Average March

    70.3 °F

  • Highest 15 March, 2026

    99.6 °F

Climate (2021–Present)

San Antonio - Kelly Field (6.2 miles)

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  • Average Low 2021–2026

    61.8 °F

  • Average 2021–2026

    72.3 °F

  • Average High 2021–2026

    83.6 °F
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