Junction City Weather Forecast

    • 47
    • 64

    Slight Chance Rain Showers

    • 49
    • 72

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 45
    • 60

    Partly Sunny

    • 44
    • 61

    Partly Sunny

    • 43
    • 66

    Mostly Sunny

Today 26 May Lower Chehalis River Valley

Mostly sunny. A slight chance of Showers in the afternoon. Highs in the 60s. Light wind becoming west 10 to 15 Mph in the afternoon.

Tonight 26 May Lower Chehalis River Valley

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 40s. West wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Junction City Temperature Statistics

May Temperature

Hoquiam, Bowerman Airport (6.8 miles)

  • Lowest 17 May, 2026

    38.6 °F

  • Average May

    56.1 °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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