Prosser Weather Forecast

    • 50
    • 74

    Partly Sunny

    • 49
    • 76

    Rain Likely

    • 47
    • 63

    Rain Likely

    • 39
    • 61

    Chance Rain

    • 38
    • 61

    Partly Sunny

    • 43
    • 62

    Chance Rain

    • 39
    • 60

    Chance Rain

Today 25 Mar Lower Columbia Basin of Washington

Mostly sunny. Highs in the lower to mid 70s. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 25 Mar Lower Columbia Basin of Washington

Partly cloudy. Lows in the upper 40s to lower 50s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prosser Temperature Statistics

March Temperature

Sunnyside Municipal Airport (12.4 miles)

  • Lowest 18 March, 2025

    26.4 °F

  • Average March

    45.7 °F

  • Highest 8 March, 2025

    65.8 °F

Climate (2020–Present)

Sunnyside Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    64.5 °F
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