Junction City Weather Forecast

    • 40
    • 62

    Increasing Clouds

    • 42
    • 61

    Mostly Cloudy

    • 39
    • 58

    Mostly Cloudy

    • 38
    • 61

    Mostly Sunny

    • 41
    • 63

    Partly Sunny

    • 40
    • 58

    Chance Rain

Today 17 Oct Lower Chehalis River Valley

Mostly cloudy in the morning then becoming mostly sunny. A slight chance of Showers in the morning. Highs in the upper 50s to mid 60s. West wind around 10 Mph becoming northwest in the afternoon.

Tonight 17 Oct Lower Chehalis River Valley

Mostly clear. Lows in the upper 30s to mid 40s. Northwest wind to 10 Mph in the evening becoming light.

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Junction City Temperature Statistics

October Temperature

Hoquiam, Bowerman Airport (6.8 miles)

  • Lowest 12 October, 2026

    37.7 °F

  • Average October

    56.4 °F

  • Highest 3 October, 2026

    73.7 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (6.8 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.7 °F
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