North Prosser Weather Forecast

    • 65
    • 98

    Patchy Smoke

    • 55
    • 95

    Patchy Smoke

    • 53
    • 86

    Sunny

    • 56
    • 89

    Mostly Sunny

    • 57
    • 93

    Mostly Sunny

    • 53
    • 89

    Mostly Sunny

Today 21 Aug Lower Columbia Basin of Washington

Hot. Mostly cloudy. Patchy smoke. Highs 97 to 102. Light Wind, becoming north 5 to 10 Mph in the afternoon.

Tonight 21 Aug Lower Columbia Basin of Washington

Cloudy. Patchy smoke overnight. Lows in the mid 60s to lower 70s. Northwest wind 5 to 10 Mph.

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North Prosser Temperature Statistics

August Temperature

Sunnyside Municipal Airport (11.2 miles)

  • Lowest 2 August, 2026

    44.8 °F

  • Average August

    72.7 °F

  • Highest 6 August, 2026

    97.2 °F

Climate (2021–2026)

Sunnyside Municipal Airport (11.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    51 °F

  • Average High 2021–2026

    63 °F
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