Lower Bal Weather Forecast

    • 58
    • 77

    Partly Sunny

    • 59
    • 70

    Mostly Cloudy

    • 58
    • 72

    Partly Sunny

    • 58
    • 74

    Mostly Sunny

Today 19 Sep San Francisco Bay Shoreline

Sunny. Highs in the 70s to lower 80s. West Winds up to 5 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 19 Sep San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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Lower Bal Temperature Statistics

September Temperature

Hayward, Hayward Air Terminal (3.1 miles)

  • Lowest 7 September, 2026

    55.7 °F

  • Average September

    68.4 °F

  • Highest 9 September, 2026

    99.6 °F

Climate (2021–2026)

Hayward, Hayward Air Terminal (3.1 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    59.8 °F

  • Average High 2021–2026

    69.2 °F
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