Berryessa Creek Park Weather Forecast

    • 56
    • 75

    Increasing Clouds

    • 56
    • 75

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 57
    • 77

    Partly Sunny

    • 59
    • 82

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

Today 16 Sep Santa Clara Valley Including San Jose

Sunny. Highs in the mid to upper 70s. South Winds around 5 Mph. Becoming west 5 to 15 Mph in the afternoon.

Tonight 16 Sep Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 50s. Northwest Winds 5 to 15 Mph. Becoming southeast 5 to 10 Mph after midnight.

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  • Temperature Real-Time

Berryessa Creek Park Temperature Statistics

September Temperature

San Jose, San Jose International Airport (5 miles)

  • Lowest 5 September, 2026

    54.6 °F

  • Average September

    71.4 °F

  • Highest 9 September, 2026

    97.6 °F

Climate (2021–2026)

San Jose, San Jose International Airport (5 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    62.1 °F

  • Average High 2021–2026

    72.8 °F
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