Sunnyvale Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 58
    • 74

    Increasing Clouds

    • 58
    • 75

    Partly Sunny

    • 56
    • 74

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 57
    • 75

    Partly Sunny

Today 21 Aug Santa Clara Valley Including San Jose

Sunny. Highs in the upper 70s. Southeast Winds 10 to 15 Mph. Becoming west 10 to 20 Mph in the afternoon.

Tonight 21 Aug Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Northeast Winds 10 to 20 Mph. Becoming southeast 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sunnyvale Temperature Statistics

August Temperature

Mountain View, Moffett Field (2.5 miles)

  • Lowest 2 August, 2018

    53.1 °F
  • Average August

    63.8 °F
  • Highest 9 August, 2018

    84 °F

Climate (2010–Present)

Mountain View, Moffett Field (2.5 miles)

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  • Average Low 2010–Present

    52.1 °F
  • Average 2010–Present

    59.8 °F
  • Average High 2010–Present

    69.5 °F
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