Koosharem Reservoir Recreation Site Weather Forecast

    • 56
    • 88

    Mostly Sunny

    • 58
    • 91

    Mostly Sunny

    • 60
    • 94

    Mostly Sunny

    • 62
    • 94

    Partly Sunny

    • 61
    • 90

    Chance Thunderstorms

Today 9 Jul Central Mountains

Sunny. Highs around 80.

Tonight 9 Jul Central Mountains

Partly cloudy. Lows in the lower 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Koosharem Reservoir Recreation Site Temperature Statistics

July Temperature

Delta, Delta Municipal Airport (62.1 miles)

  • Lowest 2 July, 2026

    51.8 °F

  • Average July

    78 °F

  • Highest 6 July, 2026

    98.6 °F

Climate (2021–2026)

Delta, Delta Municipal Airport (62.1 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    66.3 °F
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