Downtown San Jose Weather Forecast

    • 49
    • 63

    Mostly Cloudy

    • 51
    • 68

    Mostly Cloudy

    • 44
    • 60

    Chance Rain Showers

    • 40
    • 58

    Mostly Sunny

    • 41
    • 60

    Mostly Sunny

    • 42
    • 63

    Mostly Sunny

    • 43
    • 64

    Mostly Sunny

Today 18 Jan Santa Clara Valley Including San Jose

Mostly cloudy. Lows in the upper 40s. Southeast Winds 5 to 15 Mph.

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Downtown San Jose Temperature Statistics

January Temperature

San Jose, San Jose International Airport (2.5 miles)

  • Lowest 2 January, 2019

    34 °F
  • Average January

    51.9 °F
  • Highest 11 January, 2019

    63 °F

Climate (2010–Present)

San Jose, San Jose International Airport (2.5 miles)

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  • Average Low 2010–Present

    52.2 °F
  • Average 2010–Present

    60.8 °F
  • Average High 2010–Present

    71.5 °F
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