Longview Weather Forecast

    • 46
    • 70

    Slight Chance Rain

    • 55
    • 84

    Mostly Sunny

    • 49
    • 75

    Partly Sunny

    • 49
    • 70

    Partly Sunny

    • 49
    • 73

    Partly Sunny

    • 52
    • 76

    Partly Sunny

Today 29 May Cowlitz County Lowlands

Cloudy with rain likely this Morning, then partly sunny this afternoon. Highs around 70. Winds light. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 29 May Cowlitz County Lowlands

Mostly clear. Lows in the mid 40s. Winds light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Longview Temperature Statistics

May Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 4 May, 2025

    35.1 °F

  • Average May

    56 °F

  • Highest 1 May, 2025

    84 °F

Climate (2020–Present)

Southwest Washington Regional Airport (2.5 miles)

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

  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.1 °F
Get WillyWeather+ to remove ads