Junction City Weather Forecast

    • 58
    • 66

    Chance Rain

    • 54
    • 69

    Mostly Cloudy

    • 56
    • 77

    Partly Sunny

    • 56
    • 72

    Mostly Cloudy

    • 53
    • 68

    Mostly Cloudy

    • 52
    • 67

    Mostly Cloudy

Today 22 Aug Lower Chehalis River Valley

Mostly cloudy. A slight chance of rain in the morning. Highs in the 60s to lower 70s. South wind around 10 Mph becoming southwest with Gusts to 20 Mph in the afternoon.

Tonight 22 Aug Lower Chehalis River Valley

Cloudy. A slight chance of rain late in the evening. A chance of rain after midnight. Lows in the mid to upper 50s. Southwest wind to 10 Mph in the evening becoming light.

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Junction City Temperature Statistics

August Temperature

Hoquiam, Bowerman Airport (6.8 miles)

  • Lowest 3 August, 2026

    49.6 °F

  • Average August

    62.1 °F

  • Highest 4 August, 2026

    79.6 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (6.8 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.6 °F
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