Sunnyvale Weather Forecast

    • 47
    • 75

    Partly Sunny

    • 48
    • 71

    Increasing Clouds

    • 44
    • 68

    Partly Sunny

    • 46
    • 73

    Mostly Sunny

    • 49
    • 78

    Sunny

    • 50
    • 83

    Sunny

    • 50
    • 84

    Mostly Sunny

Today 18 Oct Santa Clara Valley Including San Jose

Sunny. Highs in the upper 70s. Northwest Winds 10 to 15 Mph.

Tonight 18 Oct Santa Clara Valley Including San Jose

Partly cloudy. Lows in the upper 40s. Northwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunnyvale Temperature Statistics

October Temperature

Mountain View, Moffett Field (2.5 miles)

  • Lowest 13 October, 2017

    46.9 °F

  • Average October

    64.9 °F

  • Highest 6 October, 2017

    87.1 °F

Climate (2010–Present)

Mountain View, Moffett Field (2.5 miles)

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  • Average Low 2010–Present

    51 °F

  • Average 2010–Present

    58.8 °F

  • Average High 2010–Present

    68.5 °F
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