Prosser Weather Forecast

    • 65
    • 89

    Becoming Sunny

    • 68
    • 92

    Mostly Sunny

    • 71
    • 94

    Mostly Sunny

    • 70
    • 97

    Hot

    • 73
    • 100

    Hot

    • 69
    • 98

    Hot

Today 15 Jul Adams

Sunny. Highs around 90. Light Winds then becoming southeast around 10 Mph in the afternoon.

Tonight 15 Jul Adams

Clear. Lows in the mid 60s. Southeast Winds around 10 Mph in the evening then becoming light.

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Prosser Temperature Statistics

July Temperature

Hastings, Hastings Municipal Airport (9.3 miles)

  • Lowest 11 July, 2026

    60.7 °F

  • Average July

    78.7 °F

  • Highest 8 July, 2026

    97.6 °F

Climate (2021–2026)

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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