Lower Big Wash Reservoir Weather Forecast

    • 62
    • 90

    Chance Thunderstorms

    • 62
    • 91

    Chance Thunderstorms

    • 63
    • 93

    Chance Thunderstorms

    • 63
    • 90

    Chance Thunderstorms

    • 62
    • 91

    Rain Showers Likely

    • 63
    • 90

    Rain Showers Likely

    • 63
    • 90

    Chance Thunderstorms

Today 17 Jul Southwest Utah

Partly cloudy with a slight chance of Showers and Thunderstorms in the Morning, then mostly cloudy with Showers and Thunderstorms likely in the afternoon. Some Thunderstorms may produce heavy rainfall in the afternoon. Highs in the upper 80s. Chance of precipitation 70 percent.

Tonight 17 Jul Southwest Utah

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers and Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows around 60. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Big Wash Reservoir Temperature Statistics

July Temperature

Milford Municipal Airport (2.5 miles)

  • Lowest 3 July, 2026

    50 °F

  • Average July

    80 °F

  • Highest 12 July, 2026

    102 °F

Climate (2021–2026)

Milford Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    37.9 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    67.5 °F
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