Union City Weather Forecast

    • 58
    • 73

    Increasing Clouds

    • 58
    • 68

    Gradual Clearing

    • 57
    • 72

    Partly Sunny

    • 60
    • 72

    Partly Sunny

    • 60
    • 73

    Partly Sunny

    • 59
    • 75

    Partly Sunny

    • 60
    • 76

    Partly Sunny

Today 26 Jul San Francisco Bay Shoreline

Sunny. Highs in the 60s to upper 70s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 26 Jul San Francisco Bay Shoreline

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union City Temperature Statistics

July Temperature

Hayward, Hayward Air Terminal (6.2 miles)

  • Lowest 22 July, 2024

    56.6 °F

  • Average July

    70.7 °F

  • Highest 2 July, 2024

    99.6 °F

Climate (2019–Present)

Hayward, Hayward Air Terminal (6.2 miles)

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  • Average Low 2019–2024

    51.9 °F

  • Average 2019–2024

    59.1 °F

  • Average High 2019–2024

    68.7 °F
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