Prosser Weather Forecast

    • 15
    • 29

    Chance Snow

    • -4
    • 19

    Chance Snow

    • 13
    • 22

    Partly Sunny

    • 20
    • 46

    Partly Sunny

    • 21
    • 44

    Mostly Cloudy

    • 19
    • 42

    Mostly Cloudy

Today 29 Jan Adams

Mostly cloudy with a 30 percent chance of snow. Highs in the upper 20s. Light Winds.

Tonight 29 Jan Adams

Mostly cloudy with a 50 percent chance of snow. Lows around 15. Light Winds.

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Prosser Temperature Statistics

January Temperature

Hastings, Hastings Municipal Airport (9.3 miles)

  • Lowest 25 January, 2026

    -10.4 °F

  • Average January

    29.1 °F

  • Highest 7 January, 2026

    64.7 °F

Climate (2021–Present)

Hastings, Hastings Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    64.9 °F
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