Cowlitz River - Longview Weather Forecast

    • 38
    • 51

    Rain

    • 36
    • 48

    Rain Showers

    • 40
    • 47

    Rain

    • 42
    • 49

    Rain

    • 38
    • 50

    Rain

    • 37
    • 50

    Rain Showers

Today 12 Mar Cowlitz County Lowlands

Rain this Morning, then a chance of Showers this afternoon. Highs in the lower 50s. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts around a quarter of an inch.

Tonight 12 Mar Cowlitz County Lowlands

Rain Showers. Lows in the upper 30s. Winds light. Chance of rain 90 percent. Rainfall Amounts around a tenth of an inch.

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Cowlitz River - Longview Temperature Statistics

March Temperature

Southwest Washington Regional Airport (2.5 miles)

  • Lowest 6 March, 2025

    30.9 °F

  • Average March

    46.7 °F

  • Highest 1 March, 2025

    61 °F

Climate (2020–Present)

Southwest Washington Regional Airport (2.5 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.1 °F
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