Longview Weather Forecast

    • 58
    • 85

    Increasing Clouds

    • 53
    • 88

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 57
    • 87

    Mostly Sunny

    • 62
    • 96

    Mostly Sunny

    • 59
    • 97

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

Today 18 Jun Cowlitz County Lowlands

Mostly sunny. Highs in the mid 80s. North wind 5 to 10 Mph.

Tonight 18 Jun Cowlitz County Lowlands

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the mid 50s. North wind 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Longview Temperature Statistics

June Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 1 June, 2026

    44.1 °F

  • Average June

    62.6 °F

  • Highest 14 June, 2026

    93 °F

Climate (2021–2026)

Southwest Washington Regional Airport (2.5 miles)

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

  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.6 °F
Get WillyWeather+ to remove ads