Green Belt Park Weather Forecast

    • 37
    • 53

    Becoming Sunny

    • 37
    • 54

    Mostly Sunny

    • 39
    • 55

    Mostly Sunny

    • 44
    • 55

    Rain Likely

    • 47
    • 56

    Rain Likely

    • 45
    • 55

    Chance Rain

Today 28 Dec San Francisco Bay Shoreline

Sunny. Highs in the mid 50s. Northeast Winds 5 to 10 Mph.

Tonight 28 Dec San Francisco Bay Shoreline

Clear. Lows in the mid 30s to lower 40s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Green Belt Park Temperature Statistics

December Temperature

Hayward, Hayward Air Terminal (3.7 miles)

  • Lowest 3 December, 2025

    41 °F

  • Average December

    52 °F

  • Highest 3 December, 2025

    64.9 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (3.7 miles)

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    59.3 °F

  • Average High 2020–2025

    68.8 °F
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