South Los Altos Weather Forecast

    • 57
    • 78

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 55
    • 79

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

    • 57
    • 84

    Sunny

Today 18 Jun San Francisco Bay Shoreline

Partly cloudy late in the morning then becoming sunny. Highs in the 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 18 Jun San Francisco Bay Shoreline

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 50s. Southwest Winds 10 to 20 Mph.

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South Los Altos Temperature Statistics

June Temperature

San Jose, San Jose International Airport (7.5 miles)

  • Lowest 7 June, 2026

    51.7 °F

  • Average June

    69.2 °F

  • Highest 11 June, 2026

    98.7 °F

Climate (2021–2026)

San Jose, San Jose International Airport (7.5 miles)

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  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    62 °F

  • Average High 2021–2026

    72.7 °F
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