South Los Altos Weather Forecast

    • 42
    • 58

    Increasing Clouds

    • 39
    • 61

    Becoming Sunny

    • 40
    • 60

    Mostly Sunny

    • 40
    • 62

    Mostly Sunny

    • 40
    • 64

    Mostly Sunny

    • 42
    • 64

    Mostly Sunny

    • 43
    • 67

    Mostly Sunny

Today 17 Jan San Francisco Bay Shoreline

Partly cloudy. Highs in the upper 50s. Southwest Winds around 5 Mph. Becoming west in the afternoon.

Tonight 17 Jan San Francisco Bay Shoreline

Mostly cloudy. Lows in the mid 40s. West Winds up to 5 Mph in the evening. Becoming light.

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South Los Altos Temperature Statistics

January Temperature

San Jose, San Jose International Airport (7.5 miles)

  • Lowest 1 January, 2025

    38.6 °F

  • Average January

    55.5 °F

  • Highest 10 January, 2025

    74.6 °F

Climate (2020–Present)

San Jose, San Jose International Airport (7.5 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    61.6 °F

  • Average High 2020–2025

    72.7 °F
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