Hayward Weather Forecast

    • 54
    • 78

    Increasing Clouds

    • 55
    • 81

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 55
    • 76

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

Today 31 May San Francisco Bay Shoreline

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

Tonight 31 May San Francisco Bay Shoreline

Mostly clear. Lows in the lower 50s. West Winds 10 to 20 Mph. Becoming southwest 5 to 10 Mph after midnight.

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  • Temperature Real-Time

Hayward Temperature Statistics

May Temperature

Hayward, Hayward Air Terminal (1.9 miles)

  • Lowest 16 May, 2026

    50.6 °F

  • Average May

    62.1 °F

  • Highest 19 May, 2026

    84.7 °F

Climate (2021–Present)

Hayward, Hayward Air Terminal (1.9 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    59.7 °F

  • Average High 2021–2026

    69.2 °F
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