Prosser Weather Forecast

    • 57
    • 93

    Partly Sunny

    • 59
    • 88

    Rain Showers Likely

    • 54
    • 92

    Rain Showers Likely

    • 40
    • 77

    Chance Rain Showers

    • 40
    • 64

    Partly Sunny

    • 45
    • 67

    Mostly Cloudy

    • 49
    • 73

    Partly Sunny

Today 15 May Adams

Mostly sunny. Light Winds.

Tonight 15 May Adams

Clear. Isolated Showers and Thunderstorms late in the evening. Lows in the upper 50s. Northeast Winds 10 to 15 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Prosser Temperature Statistics

May Temperature

Hastings, Hastings Municipal Airport (9.3 miles)

  • Lowest 2 May, 2026

    33.7 °F

  • Average May

    58.7 °F

  • Highest 11 May, 2026

    83.6 °F

Climate (2021–Present)

Hastings, Hastings Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    65.6 °F
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