Plymouth Weather Forecast

    • 59
    • 89

    Mostly Sunny

    • 59
    • 90

    Mostly Sunny

    • 57
    • 90

    Slight Chance Thunderstorms

    • 58
    • 91

    Mostly Sunny

    • 58
    • 90

    Partly Sunny

    • 59
    • 92

    Mostly Sunny

    • 61
    • 95

    Mostly Sunny

Today 22 Jul Eastern Box Elder County

Partly cloudy in the morning then becoming sunny. Highs around 90. Southwest Winds 10 to 20 Mph late morning through afternoon.

Tonight 22 Jul Eastern Box Elder County

Mostly clear. Lows in the lower 60s.

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Plymouth Temperature Statistics

July Temperature

Logan-Cache Airport (16.2 miles)

  • Lowest 11 July, 2025

    46.7 °F

  • Average July

    73.7 °F

  • Highest 1 July, 2025

    97.6 °F

Climate (2020–Present)

Logan-Cache Airport (16.2 miles)

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  • Average Low 2020–2025

    35 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    61.3 °F
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