Boulder Creek Weather Forecast

    • 49
    • 89

    Mostly Sunny

    • 48
    • 81

    Mostly Sunny

    • 48
    • 75

    Partly Sunny

    • 47
    • 74

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 46
    • 69

    Partly Sunny

Today 21 May Santa Cruz Mountains

Sunny. Highs in the 70s to lower 80s. Southeast Winds up to 5 Mph. Becoming southwest around 5 Mph in the afternoon.

Tonight 21 May Santa Cruz Mountains

Mostly clear. Lows in the 40s to upper 50s. Southwest Winds up to 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Boulder Creek Temperature Statistics

May Temperature

San Jose, San Jose International Airport (19.3 miles)

  • Lowest 4 May, 2026

    48.7 °F

  • Average May

    63.9 °F

  • Highest 19 May, 2026

    86 °F

Climate (2021–Present)

San Jose, San Jose International Airport (19.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    52.2 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    72.7 °F
Get WillyWeather+ to remove ads