Mount Hamilton Weather Forecast

    • 75
    • 97

    Hot

    • 68
    • 88

    Becoming Sunny

    • 60
    • 81

    Sunny

    • 50
    • 68

    Mostly Sunny

    • 54
    • 68

    Sunny

    • 55
    • 72

    Sunny

    • 52
    • 69

    Mostly Sunny

Today 9 Sep Eastern Santa Clara Hills

Sunny. Highs in the lower 90s. Northwest Winds 5 to 10 Mph.

Tonight 9 Sep Eastern Santa Clara Hills

Mostly clear. Lows in the upper 60s to lower 80s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Hamilton Temperature Statistics

September Temperature

San Jose / Reid / Hillv (9.3 miles)

  • Lowest 7 September, 2026

    53.6 °F

  • Average September

    70.3 °F

  • Highest 7 September, 2026

    87.8 °F

Climate (2021–2026)

San Jose / Reid / Hillv (9.3 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    63.7 °F

  • Average High 2021–2026

    72.2 °F
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