Downtown (Longview) Weather Forecast

    • 53
    • 72

    Chance Rain Showers

    • 46
    • 67

    Chance Rain Showers

    • 53
    • 79

    Partly Sunny

    • 54
    • 89

    Mostly Sunny

    • 51
    • 75

    Slight Chance Rain Showers

    • 54
    • 82

    Mostly Sunny

Today 25 May Cowlitz County Lowlands

Partly sunny. Highs in the lower 70s. Southwest wind 5 to 10 Mph.

Tonight 25 May Cowlitz County Lowlands

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the lower 50s. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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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

    55.3 °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

    62.1 °F
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