Junction City Weather Forecast

    • 45
    • 59

    Gradual Clearing

    • 44
    • 61

    Partly Sunny

    • 43
    • 66

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 54
    • 83

    Mostly Cloudy

    • 52
    • 70

    Mostly Cloudy

Today 29 May Lower Chehalis River Valley

Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 50s to mid 60s. Northwest wind 15 to 20 Mph with Gusts to 35 Mph.

Tonight 29 May Lower Chehalis River Valley

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s. Northwest wind 10 to 20 Mph with Gusts to 30 Mph.

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Junction City Temperature Statistics

May Temperature

Hoquiam, Bowerman Airport (6.8 miles)

  • Lowest 17 May, 2026

    38.6 °F

  • Average May

    55.8 °F

  • Highest 3 May, 2026

    82.7 °F

Climate (2021–Present)

Hoquiam, Bowerman Airport (6.8 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.7 °F
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