Upper Bal Weather Forecast

    • 44
    • 63

    Increasing Clouds

    • 46
    • 64

    Mostly Sunny

    • 47
    • 64

    Partly Sunny

    • 48
    • 65

    Partly Sunny

    • 48
    • 66

    Partly Sunny

    • 49
    • 67

    Partly Sunny

    • 48
    • 67

    Mostly Sunny

Today 5 Dec San Francisco Bay Shoreline

Sunny. Highs in the lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 5 Dec San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the mid to upper 40s. Northwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Bal Temperature Statistics

December Temperature

Hayward, Hayward Air Terminal (3.1 miles)

  • Lowest 3 December, 2025

    41 °F

  • Average December

    50.1 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (3.1 miles)

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

  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    68.8 °F
Get WillyWeather+ to remove ads