Brianna Weather Forecast

    • 59
    • 88

    Mostly Sunny

    • 66
    • 92

    Partly Sunny

    • 70
    • 97

    Hot

    • 62
    • 95

    Mostly Sunny

    • 58
    • 89

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

Today 7 Sep Santa Clara Valley Including San Jose

Sunny. Highs in the 80s to lower 90s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 7 Sep Santa Clara Valley Including San Jose

Mostly clear. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brianna Temperature Statistics

September Temperature

San Jose / Reid / Hillv (7.5 miles)

  • Lowest 2 September, 2026

    57.2 °F

  • Average September

    70 °F

  • Highest 2 September, 2026

    78.8 °F

Climate (2021–2026)

San Jose / Reid / Hillv (7.5 miles)

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  • Average Low 2021–2026

    52.1 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    72.3 °F
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