Spring Grove Park Weather Forecast

    • 56
    • 79

    Increasing Clouds

    • 57
    • 77

    Partly Sunny

    • 57
    • 73

    Partly Sunny

    • 58
    • 76

    Partly Sunny

    • 58
    • 78

    Partly Sunny

    • 57
    • 76

    Partly Sunny

Today 14 Sep San Francisco Bay Shoreline

Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to lower 80s. South Winds up to 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 14 Sep San Francisco Bay Shoreline

Mostly clear. Lows in the mid 50s. Southeast Winds up to 5 Mph.

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  • Temperature Real-Time

Spring Grove Park Temperature Statistics

September Temperature

Hayward, Hayward Air Terminal (2.5 miles)

  • Lowest 7 September, 2026

    55.7 °F

  • Average September

    69.5 °F

  • Highest 9 September, 2026

    99.6 °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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