Sunnyvale Weather Forecast

    • 59
    • 79

    Becoming Sunny

    • 57
    • 76

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

Today 2 Aug Santa Clara Valley Including San Jose

Partly cloudy in the morning then becoming sunny. Highs in the 70s to upper 80s. Southeast Winds around 5 Mph becoming northwest 5 to 15 Mph in the afternoon.

Tonight 2 Aug Santa Clara Valley Including San Jose

Clear in the evening then becoming partly cloudy. Lows in the upper 50s. Northwest Winds 5 to 15 Mph.

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Sunnyvale Temperature Statistics

August Temperature

San Jose, San Jose International Airport (6.2 miles)

  • Lowest

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  • Average August

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Climate (2020–Present)

San Jose, San Jose International Airport (6.2 miles)

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  • Average Low 2020–2025

    51.8 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.6 °F
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