Boulder Creek Weather Forecast

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    • 63

    Rain Showers

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    Rain

    • 46
    • 63

    Rain Showers

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    • 62

    Rain

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    Rain

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    Rain

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    Chance Rain

Today 21 Dec Santa Cruz Mountains

Rain. Highs in the upper 50s. South Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 21 Dec Santa Cruz Mountains

Showers and a slight chance of Thunderstorms in the Evening, then rain after midnight. Patchy fog after midnight. Lows in the lower 50s. South Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Creek Temperature Statistics

December Temperature

San Jose, San Jose International Airport (19.3 miles)

  • Lowest 13 December, 2025

    37 °F

  • Average December

    49.8 °F

  • Highest 17 December, 2025

    70 °F

Climate (2020–Present)

San Jose, San Jose International Airport (19.3 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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