Brianna Weather Forecast

    • 53
    • 64

    Chance Rain

    • 47
    • 65

    Chance Rain

    • 50
    • 64

    Slight Chance Rain

    • 52
    • 63

    Rain Likely

    • 50
    • 62

    Rain Likely

    • 50
    • 59

    Rain Likely

Today 16 Dec Santa Clara Valley Including San Jose

Mostly cloudy. Patchy dense fog in the morning. Highs in the mid 60s. Northwest Winds 5 to 15 Mph.

Tonight 16 Dec Santa Clara Valley Including San Jose

Mostly cloudy. Areas of fog in the evening. Patchy fog after midnight. A chance of rain. Lows in the mid 50s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brianna Temperature Statistics

December Temperature

San Jose / Reid / Hillv (7.5 miles)

  • Lowest 13 December, 2025

    35.6 °F

  • Average December

    49.8 °F

  • Highest 3 December, 2025

    64.4 °F

Climate (2020–Present)

San Jose / Reid / Hillv (7.5 miles)

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  • Average Low 2020–2025

    51.6 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    72.1 °F
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