San Francisco Bay - Hayward Landing Weather Forecast

    • 60
    • 75

    Increasing Clouds

    • 63
    • 83

    Becoming Sunny

    • 61
    • 84

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 62
    • 75

    Mostly Cloudy

    • 62
    • 76

    Partly Sunny

    • 61
    • 73

    Partly Sunny

Today 14 Sep San Francisco Bay Shoreline

Sunny. Highs in the mid 70s to lower 80s. West Winds 10 to 20 Mph.

Tonight 14 Sep San Francisco Bay Shoreline

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 60s. West Winds 10 to 20 Mph. Becoming northwest around 5 Mph after midnight.

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  • Temperature Real-Time

San Francisco Bay - Hayward Landing Temperature Statistics

September Temperature

Hayward, Hayward Air Terminal (1.9 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    66.5 °F

  • Highest 1 September, 2025

    82.9 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (1.9 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    69 °F
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