Prosser Airport Weather Forecast

    • 58
    • 91

    Patchy Smoke

    • 55
    • 90

    Sunny

    • 56
    • 89

    Sunny

    • 57
    • 92

    Sunny

    • 60
    • 94

    Sunny

    • 55
    • 94

    Sunny

    • 52
    • 85

    Sunny

Today 27 Jul Lower Columbia Basin of Washington

Sunny. Patchy smoke. Highs in the upper 80s to lower 90s. Southwest wind 5 to 10 Mph with Gusts to around 20 Mph.

Tonight 27 Jul Lower Columbia Basin of Washington

Clear. Patchy smoke in the evening. Lows in the upper 50s to lower 60s. Southwest wind 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • 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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