Longview Weather Forecast

    • 45
    • 59

    Rain Showers

    • 50
    • 66

    Chance Rain

    • 51
    • 61

    Rain Likely

    • 48
    • 63

    Rain Likely

    • 49
    • 66

    Chance Rain

    • 50
    • 71

    Partly Sunny

Today 6 Jun Cowlitz County Lowlands

Showers likely with a chance of Thunderstorms. Highs around 60. West wind 5 to 10 Mph. Chance of rain 70 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 6 Jun Cowlitz County Lowlands

Partly cloudy with a chance of rain Showers with a slight chance of Thunderstorms this Evening, then mostly cloudy after midnight. Patchy fog after midnight. Lows in the mid 40s. Winds light this Evening, becoming light and variable. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Longview Temperature Statistics

June Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 1 June, 2026

    44.1 °F

  • Average June

    63.8 °F

  • Highest 2 June, 2026

    89.1 °F

Climate (2021–Present)

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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