Columbia River - Prescott Weather Forecast

    • 61
    • 87

    Increasing Clouds

    • 62
    • 85

    Slight Chance Thunderstorms

    • 61
    • 79

    Chance Rain Showers

    • 60
    • 76

    Chance Rain Showers

    • 60
    • 72

    Rain Showers Likely

    • 58
    • 74

    Rain Showers Likely

    • 58
    • 76

    Chance Rain Showers

Today 4 Sep Lower Columbia River

Mostly sunny. Highs in the upper 80s. Winds light.

Tonight 4 Sep Lower Columbia River

Mostly clear this Evening, then becoming partly cloudy. Hazy this evening. Lows in the lower 60s. Winds light.

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Columbia River - Prescott Temperature Statistics

September Temperature

Southwest Washington Regional Airport (4.3 miles)

  • Lowest 2 September, 2025

    55.9 °F

  • Average September

    68.2 °F

  • Highest 2 September, 2025

    88 °F

Climate (2020–Present)

Southwest Washington Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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