Mint Valley Weather Forecast

    • 60
    • 85

    Patchy Smoke

    • 56
    • 83

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 52
    • 70

    Slight Chance Rain

Today 24 Aug Cowlitz County Lowlands

Sunny. Patchy smoke this afternoon. Highs in the upper 80s. North wind 5 to 10 Mph.

Tonight 24 Aug Cowlitz County Lowlands

Mostly clear. Patchy smoke. Lows in the upper 50s. Winds light in the Evening, becoming light and variable.

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Mint Valley Temperature Statistics

August Temperature

Southwest Washington Regional Airport (5 miles)

  • Lowest 9 August, 2026

    54 °F

  • Average August

    67.7 °F

  • Highest 5 August, 2026

    93.9 °F

Climate (2021–2026)

Southwest Washington Regional Airport (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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