Plymouth Weather Forecast

    • 36
    • 61

    Decreasing Clouds

    • 35
    • 64

    Mostly Sunny

    • 38
    • 66

    Mostly Sunny

    • 44
    • 72

    Mostly Sunny

    • 44
    • 77

    Mostly Sunny

    • 36
    • 68

    Partly Sunny

Today 29 Mar Lower Columbia Basin of Washington

Mostly sunny. Highs in the upper 50s to lower 60s. South wind 5 to 10 Mph shifting to the north in the afternoon.

Tonight 29 Mar Lower Columbia Basin of Washington

Partly cloudy. Lows in the lower to mid 30s. North wind 5 to 10 Mph.

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Plymouth Temperature Statistics

March Temperature

Hermiston, Hermiston Municipal Airport (8.1 miles)

  • Lowest 6 March, 2024

    19.9 °F
  • Average March

    47 °F
  • Highest 19 March, 2024

    80.7 °F

Climate (2019–Present)

Hermiston, Hermiston Municipal Airport (8.1 miles)

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  • Average Low 2019–2024

    43 °F
  • Average 2019–2024

    55 °F
  • Average High 2019–2024

    67 °F
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