Prosser Airport Weather Forecast

    • 37
    • 60

    Increasing Clouds

    • 31
    • 58

    Mostly Cloudy

    • 32
    • 53

    Chance Rain Showers

    • 29
    • 54

    Partly Sunny

    • 30
    • 53

    Mostly Cloudy

    • 30
    • 55

    Mostly Sunny

Today 27 Oct Lower Columbia Basin of Washington

Mostly sunny. Highs in the upper 50s to lower 60s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 27 Oct Lower Columbia Basin of Washington

Partly cloudy. A 20 percent chance of rain Showers overnight. Lows in the upper 30s to lower 40s. Southwest wind 5 to 15 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prosser Airport Temperature Statistics

October Temperature

Sunnyside Municipal Airport (11.2 miles)

  • Lowest 24 October, 2026

    28.8 °F

  • Average October

    52 °F

  • Highest 5 October, 2026

    81.7 °F

Climate (2021–2026)

Sunnyside Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    38.8 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    63.1 °F
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