Upper Crystal Springs Reservoir Weather Forecast

    • 49
    • 63

    Sunny

    • 53
    • 69

    Mostly Sunny

    • 50
    • 74

    Sunny

    • 50
    • 72

    Mostly Sunny

    • 49
    • 68

    Partly Sunny

    • 48
    • 66

    Mostly Sunny

Today 5 Mar San Francisco Bay Shoreline

Sunny. Highs in the 60s. Northwest Winds 10 to 20 Mph.

Tonight 5 Mar San Francisco Bay Shoreline

Clear. Lows in the upper 40s. Northwest Winds 10 to 20 Mph.

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  • Temperature Real-Time

Upper Crystal Springs Reservoir Temperature Statistics

March Temperature

San Carlos Airport (4.3 miles)

  • Lowest 2 March, 2026

    51.8 °F

  • Average March

    57.2 °F

  • Highest 1 March, 2026

    64.4 °F

Climate (2021–Present)

San Carlos Airport (4.3 miles)

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  • Average Low 2021–2026

    51.4 °F

  • Average 2021–2026

    56.7 °F

  • Average High 2021–2026

    68.1 °F
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