Lower Big Wash Reservoir Weather Forecast

    • 43
    • 67

    Increasing Clouds

    • 43
    • 63

    Mostly Cloudy

    • 45
    • 64

    Mostly Sunny

    • 44
    • 62

    Slight Chance Thunderstorms

    • 44
    • 63

    Rain Likely

    • 39
    • 56

    Rain Showers Likely

Today 17 Oct Southwest Utah

Sunny. Highs around 70.

Tonight 17 Oct Southwest Utah

Partly cloudy in the evening then becoming mostly cloudy. Lows around 40.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Big Wash Reservoir Temperature Statistics

October Temperature

Milford Municipal Airport (2.5 miles)

  • Lowest 13 October, 2026

    37.9 °F

  • Average October

    60.8 °F

  • Highest 4 October, 2026

    87.1 °F

Climate (2021–2026)

Milford Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    67.6 °F
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