Promontory Weather Forecast

    • 71
    • 96

    Patchy Smoke

    • 71
    • 96

    Areas Smoke

    • 69
    • 94

    Patchy Smoke

    • 69
    • 92

    Partly Sunny

    • 68
    • 91

    Mostly Cloudy

    • 67
    • 89

    Mostly Cloudy

    • 65
    • 87

    Mostly Cloudy

Today 7 Aug Great Salt Lake Desert and Mountains

Sunny. Patchy smoke in the morning. Highs around 103.

Tonight 7 Aug Great Salt Lake Desert and Mountains

Partly cloudy. Patchy smoke after midnight. Lows around 70.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Promontory Temperature Statistics

August Temperature

BRIGHAM CITY AIRPORT (26.7 miles)

  • Lowest 5 August, 2026

    50 °F

  • Average August

    78.5 °F

  • Highest 1 August, 2026

    104 °F

Climate (2021–2026)

BRIGHAM CITY AIRPORT (26.7 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    64.3 °F
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