Heritage District Weather Forecast

    • 47
    • 55

    Increasing Clouds

    • 56
    • 64

    Chance Rain

    • 48
    • 65

    Areas Fog

    • 50
    • 63

    Chance Rain

    • 53
    • 62

    Rain Likely

    • 50
    • 61

    Rain Likely

    • 50
    • 59

    Rain Likely

Today 15 Dec Santa Clara Valley Including San Jose

Mostly cloudy late in the morning then becoming partly cloudy. Highs in the mid 50s. Northwest Winds 5 to 10 Mph.

Tonight 15 Dec Santa Clara Valley Including San Jose

Mostly clear in the evening then becoming mostly cloudy. Areas of dense fog after midnight. Lows in the upper 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Heritage District Temperature Statistics

December Temperature

San Jose, San Jose International Airport (5.6 miles)

  • Lowest 13 December, 2025

    37 °F

  • Average December

    48.5 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

San Jose, San Jose International Airport (5.6 miles)

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  • Average Low 2020–2025

    51.9 °F

  • Average 2020–2025

    61.5 °F

  • Average High 2020–2025

    72.4 °F
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