Hermiston Municipal Airport Weather Forecast

    • 54
    • 79

    Increasing Clouds

    • 49
    • 77

    Breezy

    • 52
    • 80

    Mostly Sunny

    • 50
    • 82

    Partly Sunny

    • 51
    • 81

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

Today 7 May Lower Columbia Basin of Oregon

Partly cloudy in the morning then clearing. Highs in the upper 70s. Breezy. West wind 10 to 20 Mph with Gusts to around 30 Mph.

Tonight 7 May Lower Columbia Basin of Oregon

Partly cloudy. Lows in the lower to mid 50s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hermiston Municipal Airport Temperature Statistics

May Temperature

Hermiston, Hermiston Municipal Airport (0 miles)

  • Lowest 1 May, 2026

    37.7 °F

  • Average May

    65.6 °F

  • Highest 3 May, 2026

    87.7 °F

Climate (2021–Present)

Hermiston, Hermiston Municipal Airport (0 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    67.7 °F
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