Vasona Reservoir Weather Forecast

    • 51
    • 81

    Mostly Sunny

    • 49
    • 74

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 52
    • 83

    Sunny

    • 54
    • 88

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

Today 15 May Santa Clara Valley Including San Jose

Sunny. Highs near 80. Northwest Winds 5 to 15 Mph.

Tonight 15 May Santa Clara Valley Including San Jose

Mostly clear. Lows in the upper 40s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Vasona Reservoir Temperature Statistics

May Temperature

San Jose, San Jose International Airport (8.1 miles)

  • Lowest 4 May, 2026

    48.7 °F

  • Average May

    62.4 °F

  • Highest 11 May, 2026

    83.6 °F

Climate (2021–Present)

San Jose, San Jose International Airport (8.1 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    72.6 °F
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