Longview Weather Forecast

    • 53
    • 77

    Chance Rain

    • 43
    • 66

    Slight Chance Rain

    • 44
    • 64

    Mostly Cloudy

    • 42
    • 61

    Mostly Cloudy

    • 40
    • 63

    Mostly Sunny

    • 44
    • 66

    Partly Sunny

    • 43
    • 61

    Chance Rain

Today 16 Oct Cowlitz County Lowlands

Partly sunny with a 20 percent chance of rain. Highs around 60.

Tonight 16 Oct Cowlitz County Lowlands

Mostly clear this Evening, then mostly cloudy with a chance of rain 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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  • Temperature Forecast NOAA

  • Temperature Real-Time

Longview Temperature Statistics

October Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 11 October, 2026

    36 °F

  • Average October

    57.3 °F

  • Highest 4 October, 2026

    79 °F

Climate (2021–2026)

Southwest Washington Regional Airport (2.5 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.5 °F
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