Junction City Weather Forecast

    • 46
    • 59

    Rain

    • 44
    • 58

    Rain Showers Likely

    • 48
    • 62

    Chance Rain

    • 49
    • 61

    Rain Likely

    • 48
    • 62

    Chance Rain

    • 50
    • 63

    Chance Rain

Today 5 Jun Lower Chehalis River Valley

Mostly cloudy. Showers through the day. A slight chance of Thunderstorms in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid 50s to lower 60s. Southwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 5 Jun Lower Chehalis River Valley

Mostly cloudy with a chance of Showers until early Morning, then mostly cloudy with Showers likely and a slight chance of Thunderstorms in the morning. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the 40s. West wind to 10 Mph with Gusts to 20 Mph in the evening becoming light.

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Junction City Temperature Statistics

June Temperature

Hoquiam, Bowerman Airport (6.8 miles)

  • Lowest 1 June, 2026

    42.7 °F

  • Average June

    61.2 °F

  • Highest 2 June, 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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