San Antonio Park Weather Forecast

    • 64
    • 73

    Sunny

    • 63
    • 76

    Mostly Sunny

    • 61
    • 74

    Mostly Sunny

    • 62
    • 77

    Mostly Sunny

    • 58
    • 75

    Partly Sunny

    • 56
    • 69

    Partly Sunny

Today 15 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Patchy dense fog this morning. Mostly sunny. Local visibility one quarter mile or less at Times this morning. Highs 77 to 82. Areas of Winds north to 10 Mph becoming northwest with Gusts to 25 Mph this afternoon.

Tonight 15 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Clear. Lows 44 to 48 in wind Sheltered Areas to 49 to 59 in warmer Locations. Areas of Winds north 10 to 15 Mph with Gusts to 25 Mph becoming east overnight.

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San Antonio Park Temperature Statistics

December Temperature

Brackett Field Airport (6.8 miles)

  • Lowest 5 December, 2025

    42.8 °F

  • Average December

    64.3 °F

  • Highest 10 December, 2025

    86 °F

Climate (2020–Present)

Brackett Field Airport (6.8 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    75.6 °F
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