Prosser Weather Forecast

    • 37
    • 48

    Cloudy

    • 37
    • 48

    Chance Rain

    • 34
    • 49

    Slight Chance Rain

    • 33
    • 47

    Chance Rain

    • 32
    • 47

    Chance Rain/Snow

    • 32
    • 47

    Chance Rain/Snow

Today 13 Feb Lower Columbia Basin of Washington

Mostly cloudy. Areas of dense fog in the morning. Highs in the mid to upper 40s. South wind 5 to 10 Mph.

Tonight 13 Feb Lower Columbia Basin of Washington

Cloudy with a 20 percent chance of rain. Lows in the mid to upper 30s. South wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prosser Temperature Statistics

February Temperature

Sunnyside Municipal Airport (12.4 miles)

  • Lowest 10 February, 2026

    27.9 °F

  • Average February

    40.8 °F

  • Highest 1 February, 2026

    56.5 °F

Climate (2021–Present)

Sunnyside Municipal Airport (12.4 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    63.5 °F
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