Vallejo Mill Park Weather Forecast

    • 52
    • 66

    Increasing Clouds

    • 56
    • 76

    Mostly Sunny

    • 59
    • 91

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 52
    • 71

    Mostly Sunny

Today 28 May San Francisco Bay Shoreline

Mostly cloudy in the morning then becoming sunny. Highs in the mid to upper 60s. West Winds 10 to 20 Mph.

Tonight 28 May San Francisco Bay Shoreline

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 50s. West Winds 10 to 20 Mph.

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Vallejo Mill Park Temperature Statistics

May Temperature

Hayward, Hayward Air Terminal (9.9 miles)

  • Lowest 4 May, 2025

    51.7 °F

  • Average May

    62.4 °F

  • Highest 9 May, 2025

    88.6 °F

Climate (2020–Present)

Hayward, Hayward Air Terminal (9.9 miles)

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  • Average Low 2020–2025

    52.1 °F

  • Average 2020–2025

    59.5 °F

  • Average High 2020–2025

    69.2 °F
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