Downtown (Longview) Weather Forecast

    • 43
    • 67

    Partly Sunny

    • 46
    • 74

    Partly Sunny

    • 47
    • 68

    Mostly Cloudy

    • 47
    • 61

    Rain Likely

    • 45
    • 62

    Rain Likely

    • 46
    • 61

    Chance Rain

Today 8 May Cowlitz County Lowlands

Mostly sunny. Highs in the upper 60s. Winds light.

Tonight 8 May Cowlitz County Lowlands

Mostly cloudy. Lows in the lower 40s. Winds light.

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Downtown (Longview) Temperature Statistics

May Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 4 May, 2025

    35.1 °F

  • Average May

    55.7 °F

  • Highest 1 May, 2025

    84 °F

Climate (2020–Present)

Southwest Washington Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    62.2 °F
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