Prosser Airport Weather Forecast

    • 55
    • 90

    Sunny

    • 56
    • 89

    Sunny

    • 57
    • 92

    Sunny

    • 60
    • 94

    Sunny

    • 55
    • 94

    Sunny

    • 52
    • 85

    Sunny

Today 28 Jul Lower Columbia Basin of Washington

Sunny. Patchy smoke in the afternoon. Highs in the upper 80s to lower 90s. Southwest wind 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 28 Jul Lower Columbia Basin of Washington

Clear. Lows in the mid to upper 50s. West wind 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Real-Time

Prosser Airport Temperature Statistics

July Temperature

Sunnyside Municipal Airport (11.2 miles)

  • Lowest 1 July, 2026

    44.6 °F

  • Average July

    74.9 °F

  • Highest 22 July, 2026

    101.5 °F

Climate (2021–2026)

Sunnyside Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    63 °F
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