Mantua Reservoir Weather Forecast

    • 59
    • 86

    Mostly Sunny

    • 62
    • 87

    Increasing Clouds

    • 61
    • 86

    Partly Sunny

    • 61
    • 89

    Partly Sunny

    • 63
    • 92

    Partly Sunny

    • 63
    • 91

    Slight Chance Thunderstorms

    • 60
    • 86

    Chance Thunderstorms

Today 16 Aug Wasatch Mountains I-80 North

Sunny. A slight chance of rain Showers in the Morning, then a slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 20 percent.

Tonight 16 Aug Wasatch Mountains I-80 North

Mostly clear. Lows in the lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mantua Reservoir Temperature Statistics

August Temperature

BRIGHAM CITY AIRPORT (5.6 miles)

  • Lowest 5 August, 2026

    50 °F

  • Average August

    78.8 °F

  • Highest 1 August, 2026

    104 °F

Climate (2021–2026)

BRIGHAM CITY AIRPORT (5.6 miles)

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  • Average Low 2021–2026

    41.2 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    64.3 °F
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