North Prosser Weather Forecast

    • 58
    • 93

    Becoming Sunny

    • 59
    • 98

    Hot

    • 54
    • 90

    Mostly Sunny

    • 55
    • 89

    Sunny

    • 55
    • 90

    Sunny

    • 54
    • 88

    Mostly Sunny

    • 57
    • 89

    Partly Sunny

Today 6 Jul Lower Columbia Basin of Washington

Mostly cloudy. Highs in the lower to mid 90s. North wind 5 to 10 Mph.

Tonight 6 Jul Lower Columbia Basin of Washington

Mostly cloudy. Lows in the mid 50s to lower 60s. South wind 5 to 10 Mph in the Evening, becoming light.

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North Prosser Temperature Statistics

July Temperature

Sunnyside Municipal Airport (11.2 miles)

  • Lowest 1 July, 2026

    44.6 °F

  • Average July

    68.7 °F

  • Highest 4 July, 2026

    89.4 °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

    62.9 °F
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