New West Side Weather Forecast

    • 46
    • 69

    Partly Sunny

    • 49
    • 70

    Mostly Cloudy

    • 50
    • 73

    Partly Sunny

    • 52
    • 79

    Partly Sunny

    • 50
    • 74

    Partly Sunny

    • 48
    • 72

    Partly Sunny

Today 18 May Cowlitz County Lowlands

Mostly sunny. Highs around 70. Northwest wind 5 to 10 Mph.

Tonight 18 May Cowlitz County Lowlands

Mostly cloudy. Patchy fog. Lows in the mid 40s. Winds light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

New West Side Temperature Statistics

May Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 9 May, 2026

    44.1 °F

  • Average May

    60.2 °F

  • Highest 3 May, 2026

    91 °F

Climate (2021–Present)

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

    62.5 °F
Get WillyWeather+ to remove ads