San Francisco Bay - Johnson Landing Weather Forecast

    • 65
    • 81

    Increasing Clouds

    • 68
    • 87

    Partly Sunny

    • 62
    • 80

    Mostly Sunny

    • 60
    • 69

    Partly Sunny

    • 59
    • 68

    Mostly Sunny

    • 58
    • 69

    Mostly Sunny

Today 8 Sep San Francisco Bay Shoreline

Sunny in the morning then becoming partly cloudy. Highs in the 80s. Light Winds. Becoming northwest 5 to 10 Mph in the afternoon.

Tonight 8 Sep San Francisco Bay Shoreline

Mostly cloudy. Lows in the upper 60s. Northwest Winds 5 to 10 Mph in the evening. Becoming light.

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San Francisco Bay - Johnson Landing Temperature Statistics

September Temperature

Hayward, Hayward Air Terminal (2.5 miles)

  • Lowest 5 September, 2026

    57.9 °F

  • Average September

    66.2 °F

  • Highest 3 September, 2026

    75.7 °F

Climate (2021–2026)

Hayward, Hayward Air Terminal (2.5 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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