Longview Weather Forecast

    • 58
    • 83

    Mostly Sunny

    • 57
    • 88

    Mostly Sunny

    • 61
    • 84

    Partly Sunny

    • 54
    • 73

    Mostly Cloudy

    • 55
    • 78

    Partly Sunny

    • 59
    • 85

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

Today 6 Jul Cowlitz County Lowlands

Sunny. Highs in the lower 80s. North wind 5 to 10 Mph.

Tonight 6 Jul Cowlitz County Lowlands

Mostly clear. Lows in the mid 50s. Northwest wind 5 to 10 Mph.

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Longview Temperature Statistics

July Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 3 July, 2025

    52 °F

  • Average July

    63.1 °F

  • Highest 1 July, 2025

    80.1 °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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