Plymouth Weather Forecast

    • 52
    • 82

    Sunny

    • 53
    • 85

    Mostly Sunny

    • 58
    • 88

    Sunny

    • 60
    • 90

    Mostly Sunny

    • 65
    • 97

    Hot

    • 62
    • 101

    Hot

Today 11 Jun Lower Columbia Basin of Washington

Sunny. Highs in the upper 70s to lower 80s. Light Wind, becoming southwest 5 to 10 Mph with Gusts to around 20 Mph in the afternoon.

Tonight 11 Jun Lower Columbia Basin of Washington

Clear. Lows in the upper 40s to lower 50s. West wind 5 to 10 Mph. Gusts up to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Plymouth Temperature Statistics

June Temperature

Hermiston, Hermiston Municipal Airport (8.1 miles)

  • Lowest 1 June, 2026

    41.6 °F

  • Average June

    63.6 °F

  • Highest 2 June, 2026

    85.6 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    67.7 °F
Get WillyWeather+ to remove ads