Southgate Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain

Today 19 Dec San Francisco Bay Shoreline

A chance of rain in the Morning, then rain in the afternoon. Highs in the lower 60s. South Winds 10 to 20 Mph.

Tonight 19 Dec San Francisco Bay Shoreline

Cloudy. A slight chance of rain. Lows in the lower 50s. South Winds around 5 Mph.

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Southgate Temperature Statistics

December Temperature

Hayward, Hayward Air Terminal (1.2 miles)

  • Lowest 3 December, 2025

    41 °F

  • Average December

    48.2 °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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