San Antonio Weather Forecast

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    • 56

    Rain

    • 46
    • 60

    Rain Likely

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    • 58

    Chance Rain

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    • 57

    Rain

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    • 57

    Rain Likely

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    • 56

    Rain

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    Rain Likely

Today 16 Dec North Bay Interior Valleys

Cloudy. Patchy fog. A chance of rain. Highs in the 50s to lower 60s. South Winds around 5 Mph.

Tonight 16 Dec North Bay Interior Valleys

Patchy fog. Rain likely. Lows in the upper 40s to mid 50s. South Winds 5 to 10 Mph.

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San Antonio Temperature Statistics

December Temperature

Novato / Gnoss Field (3.1 miles)

  • Lowest 2 December, 2025

    37.4 °F

  • Average December

    45.5 °F

  • Highest 3 December, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (3.1 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
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