Longview Weather Forecast

    • 34
    • 55

    Increasing Clouds

    • 41
    • 58

    Rain

    • 38
    • 50

    Rain

    • 38
    • 54

    Rain Likely

    • 39
    • 60

    Partly Sunny

    • 41
    • 66

    Partly Sunny

Today 30 Mar Cowlitz County Lowlands

Widespread frost this morning. Sunny. Highs in the mid 50s. North wind 5 to 10 Mph.

Tonight 30 Mar Cowlitz County Lowlands

Partly cloudy in the Evening, then becoming mostly cloudy. Widespread frost after midnight. Lows in the lower 30s. North wind 5 to 10 Mph.

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Longview Temperature Statistics

March Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 22 March, 2026

    28.9 °F

  • Average March

    47.5 °F

  • Highest 16 March, 2026

    66 °F

Climate (2021–Present)

Southwest Washington Regional Airport (2.5 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.5 °F
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