South Los Altos Weather Forecast

    • 46
    • 70

    Decreasing Clouds

    • 46
    • 66

    Mostly Cloudy

    • 45
    • 67

    Mostly Sunny

    • 46
    • 71

    Sunny

    • 48
    • 73

    Mostly Sunny

    • 48
    • 73

    Mostly Sunny

Today 31 Jan San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid to upper 60s. East Winds around 5 Mph becoming north in the afternoon.

Tonight 31 Jan San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 40s. Northeast Winds 10 to 15 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Los Altos Temperature Statistics

January Temperature

San Jose, San Jose International Airport (7.5 miles)

  • Lowest 10 January, 2026

    34.6 °F

  • Average January

    53.5 °F

  • Highest 16 January, 2026

    71.7 °F

Climate (2021–Present)

San Jose, San Jose International Airport (7.5 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    72.4 °F
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