Stevens Creek Reservoir Weather Forecast

    • 52
    • 84

    Becoming Sunny

    • 52
    • 86

    Mostly Sunny

    • 52
    • 82

    Mostly Sunny

    • 50
    • 77

    Partly Sunny

    • 49
    • 75

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

Today 20 May Santa Clara Valley Including San Jose

Sunny in the morning then becoming partly cloudy. Highs in the upper 80s. Southwest Winds up to 5 Mph. Becoming west 5 to 15 Mph in the afternoon.

Tonight 20 May Santa Clara Valley Including San Jose

Clear. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stevens Creek Reservoir Temperature Statistics

May Temperature

San Jose, San Jose International Airport (9.3 miles)

  • Lowest 4 May, 2026

    48.7 °F

  • Average May

    63.5 °F

  • Highest 11 May, 2026

    83.6 °F

Climate (2021–Present)

San Jose, San Jose International Airport (9.3 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    72.7 °F
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