Longview Weather Forecast

    • 54
    • 81

    Rain Showers Likely

    • 46
    • 70

    Rain Showers Likely

    • 54
    • 84

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 49
    • 69

    Partly Sunny

Today 28 May Cowlitz County Lowlands

Sunny. Highs in the lower 80s. Winds Light, becoming west 5 to 10 Mph this afternoon.

Tonight 28 May Cowlitz County Lowlands

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 50s. West wind 5 to 10 Mph, becoming light after midnight. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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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

    62.1 °F
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