Portola Weather Forecast

    • 61
    • 74

    Increasing Clouds

    • 58
    • 73

    Partly Sunny

    • 59
    • 73

    Patchy Fog

    • 59
    • 74

    Mostly Sunny

    • 60
    • 75

    Mostly Sunny

    • 60
    • 75

    Mostly Sunny

Today 21 Aug San Francisco

Partly cloudy late in the morning then becoming sunny. Highs in the 60s to mid 70s. West Winds 10 to 20 Mph.

Tonight 21 Aug San Francisco

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. West Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

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Portola Temperature Statistics

August Temperature

San Francisco, San Francisco International Airport (7.5 miles)

  • Lowest 3 August, 2019

    57.9 °F

  • Average August

    66.2 °F

  • Highest 14 August, 2019

    91 °F

Climate (2010–Present)

San Francisco, San Francisco International Airport (7.5 miles)

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  • Average Low 2010–Present

    52.5 °F

  • Average 2010–Present

    58.3 °F

  • Average High 2010–Present

    66 °F
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