Barton Reservoir Weather Forecast

    • 45
    • 73

    Sunny

    • 49
    • 80

    Mostly Sunny

    • 46
    • 75

    Rain Showers Likely

    • 44
    • 65

    Partly Sunny

    • 46
    • 73

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

Today 1 May Lower Treasure Valley

Sunny. Highs 72 to 77. Light Winds.

Tonight 1 May Lower Treasure Valley

Mostly clear. Lows 44 to 49. Light Winds.

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Barton Reservoir Temperature Statistics

May Temperature

Ontario Municipal Airport (21.7 miles)

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  • Average May

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Climate (2020–Present)

Ontario Municipal Airport (21.7 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    54.5 °F

  • Average High 2020–2025

    66.9 °F
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