Mint Valley Weather Forecast

    • 36
    • 58

    Increasing Clouds

    • 31
    • 51

    Mostly Cloudy

    • 33
    • 54

    Partly Sunny

    • 40
    • 58

    Rain

    • 39
    • 51

    Rain

    • 37
    • 52

    Rain

    • 38
    • 57

    Slight Chance Rain

Today 28 Mar Cowlitz County Lowlands

Mostly sunny. Highs around 60. West wind 5 to 10 Mph.

Tonight 28 Mar Cowlitz County Lowlands

Partly cloudy. Areas of frost after midnight. Lows in the mid 30s. Winds light.

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Mint Valley Temperature Statistics

March Temperature

Southwest Washington Regional Airport (5 miles)

  • Lowest 22 March, 2026

    28.9 °F

  • Average March

    47.4 °F

  • Highest 16 March, 2026

    66 °F

Climate (2021–Present)

Southwest Washington Regional Airport (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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