Union Weather Forecast

    • 63
    • 87

    Slight Chance Thunderstorms

    • 63
    • 87

    Chance Rain Showers

    • 63
    • 84

    Rain Showers Likely

    • 62
    • 85

    Slight Chance Thunderstorms

    • 62
    • 85

    Slight Chance Thunderstorms

    • 61
    • 85

    Slight Chance Thunderstorms

    • 60
    • 84

    Slight Chance Thunderstorms

Today 4 Sep Salt Lake Valley

Partly sunny. A 10 percent chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s.

Tonight 4 Sep Salt Lake Valley

Mostly cloudy. Lows in the mid 60s.

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Union Temperature Statistics

September Temperature

Salt Lake City, Salt Lake City Municipal 2 Airport (6.2 miles)

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  • Average September

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Climate (2020–Present)

Salt Lake City, Salt Lake City Municipal 2 Airport (6.2 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.8 °F
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