Junction City Weather Forecast

    • 48
    • 62

    Mostly Cloudy

    • 51
    • 68

    Partly Sunny

    • 52
    • 81

    Partly Sunny

    • 50
    • 68

    Partly Sunny

Today 10 May Lower Chehalis River Valley

Mostly cloudy. Highs in the 60s. Light wind becoming west 10 to 15 Mph in the afternoon.

Tonight 10 May Lower Chehalis River Valley

Mostly cloudy. Lows in the mid to upper 40s. West wind 10 to 15 Mph in the evening becoming light.

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Junction City Temperature Statistics

May Temperature

Hoquiam, Bowerman Airport (6.8 miles)

  • Lowest 7 May, 2026

    48.7 °F
  • Average May

    57 °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

    52.3 °F
  • Average High 2021–2026

    58.6 °F
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