New Plymouth Weather Forecast

    • 46
    • 75

    Sunny

    • 50
    • 82

    Sunny

    • 48
    • 76

    Chance Rain Showers

    • 47
    • 67

    Partly Sunny

    • 47
    • 75

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 56
    • 85

    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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New Plymouth Temperature Statistics

May Temperature

Ontario Municipal Airport (9.3 miles)

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Climate (2020–Present)

Ontario Municipal Airport (9.3 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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