Downtown Santa Cruz Weather Forecast

    • 58
    • 87

    Increasing Clouds

    • 57
    • 80

    Becoming Sunny

    • 56
    • 77

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 56
    • 72

    Mostly Cloudy

    • 54
    • 71

    Areas Fog

Today 10 Sep Northern Monterey Bay

Sunny. Highs in the 80s. South Winds 5 to 10 Mph.

Tonight 10 Sep Northern Monterey Bay

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. South Winds around 5 Mph in the evening. Becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown Santa Cruz Temperature Statistics

September Temperature

Watsonville, Watsonville Municipal Airport (13 miles)

  • Lowest 7 September, 2026

    49.6 °F

  • Average September

    65 °F

  • Highest 8 September, 2026

    86 °F

Climate (2021–2026)

Watsonville, Watsonville Municipal Airport (13 miles)

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

  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    68.3 °F
Get WillyWeather+ to remove ads