Bellvale Weather Forecast

    • 51
    • 67

    Increasing Clouds

    • 51
    • 68

    Areas Fog

    • 51
    • 66

    Partly Sunny

    • 53
    • 71

    Partly Sunny

    • 54
    • 71

    Mostly Cloudy

    • 56
    • 72

    Mostly Cloudy

Today 4 Sep Santa Cruz Mountains

Sunny. Highs in the 60s to mid 70s. Northwest Winds around 5 Mph.

Tonight 4 Sep Santa Cruz Mountains

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Northwest Winds 5 to 10 Mph.

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Bellvale Temperature Statistics

September Temperature

San Carlos Airport (14.3 miles)

  • Lowest 1 September, 2026

    60.8 °F

  • Average September

    64 °F

  • Highest 1 September, 2026

    73.4 °F

Climate (2021–2026)

San Carlos Airport (14.3 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68.3 °F
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