Upper Crystal Springs Reservoir Weather Forecast

    • 54
    • 70

    Decreasing Clouds

    • 53
    • 68

    Chance Drizzle

    • 52
    • 68

    Mostly Sunny

    • 52
    • 70

    Mostly Sunny

    • 53
    • 70

    Mostly Sunny

    • 55
    • 74

    Mostly Sunny

Today 2 Sep San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower to mid 70s. South Winds 5 to 10 Mph becoming west 10 to 20 Mph in the afternoon.

Tonight 2 Sep San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West Winds 10 to 15 Mph. Becoming south up to 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Crystal Springs Reservoir Temperature Statistics

September Temperature

San Carlos Airport (4.3 miles)

  • Lowest

    –

  • Average September

    –

  • Highest

    –

Climate (2021–2026)

San Carlos Airport (4.3 miles)

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

  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68.3 °F
Get WillyWeather+ to remove ads