Ninemile Reservoir Weather Forecast

    • 40
    • 63

    Mostly Cloudy

    • 39
    • 61

    Mostly Cloudy

    • 39
    • 57

    Rain Likely

    • 34
    • 54

    Rain Likely

Today 22 Dec Sanpete Valley

Partly cloudy. Highs in the lower 60s.

Tonight 22 Dec Sanpete Valley

Mostly cloudy. Lows in the mid 30s.

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  • Temperature Real-Time

Ninemile Reservoir Temperature Statistics

December Temperature

Delta, Delta Municipal Airport (44.7 miles)

  • Lowest 1 December, 2025

    14 °F

  • Average December

    36 °F

  • Highest 17 December, 2025

    68 °F

Climate (2021–Present)

Delta, Delta Municipal Airport (44.7 miles)

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  • Average Low 2021–2025

    39.5 °F

  • Average 2021–2025

    53.1 °F

  • Average High 2021–2025

    66.3 °F
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