Junction City Weather Forecast

    • 46
    • 68

    Decreasing Clouds

    • 50
    • 75

    Mostly Sunny

    • 51
    • 70

    Partly Sunny

    • 48
    • 68

    Partly Sunny

    • 49
    • 65

    Chance Rain

    • 45
    • 58

    Chance Rain

Today 20 May Lower Chehalis River Valley

Partly sunny. Highs in the mid 60s to lower 70s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 20 May Lower Chehalis River Valley

Partly cloudy. Patchy fog in the morning. Lows in the mid to upper 40s. West wind to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • 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

    56.2 °F

  • Highest 3 May, 2026

    82.7 °F

Climate (2021–Present)

Hoquiam, Bowerman Airport (6.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.7 °F
Get WillyWeather+ to remove ads