Hanford Weather Forecast

    • 49
    • 79

    Sunny

    • 57
    • 86

    Chance Rain Showers

    • 44
    • 69

    Slight Chance Rain Showers

    • 45
    • 72

    Mostly Sunny

    • 49
    • 79

    Mostly Sunny

    • 52
    • 84

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

Today 1 May Lower Columbia Basin of Washington

Sunny. Highs in the upper 70s to lower 80s. Light Wind, becoming northeast 5 to 10 Mph in the afternoon.

Tonight 1 May Lower Columbia Basin of Washington

Clear. Lows in the 40s. Northeast wind 5 to 10 Mph.

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Hanford Temperature Statistics

May Temperature

Sunnyside Municipal Airport (25.5 miles)

  • Lowest

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  • Average May

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Climate (2020–Present)

Sunnyside Municipal Airport (25.5 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    64.6 °F
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