Mervin Morris Park Weather Forecast

    • 46
    • 67

    Mostly Sunny

    • 45
    • 68

    Mostly Sunny

    • 44
    • 65

    Mostly Sunny

    • 46
    • 63

    Partly Sunny

    • 47
    • 63

    Mostly Cloudy

    • 51
    • 64

    Chance Rain

Today 10 Dec San Francisco Bay Shoreline

Sunny. Highs in the mid 50s to lower 60s. Northwest Winds 5 to 10 Mph.

Tonight 10 Dec San Francisco Bay Shoreline

Mostly clear. Lows in the mid 40s. North Winds 5 to 10 Mph.

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Mervin Morris Park Temperature Statistics

December Temperature

Hayward, Hayward Air Terminal (1.2 miles)

  • Lowest 3 December, 2025

    41 °F

  • Average December

    48.7 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (1.2 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    59.2 °F

  • Average High 2020–2025

    68.8 °F
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