Union Gap Weather Forecast

    • 43
    • 64

    Increasing Clouds

    • 38
    • 64

    Rain Likely

    • 33
    • 57

    Rain

    • 31
    • 52

    Chance Rain

    • 30
    • 53

    Chance Rain

    • 32
    • 49

    Chance Rain

Today 23 Oct Yakima Valley

Partly sunny. Highs in the lower to mid 60s. Light Wind, becoming south 5 to 10 Mph in the afternoon.

Tonight 23 Oct Yakima Valley

Mostly cloudy. Lows in the 40s. South wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Gap Temperature Statistics

October Temperature

Yakima Air Terminal - McAllister Field (2.5 miles)

  • Lowest 15 October, 2025

    28 °F

  • Average October

    51.7 °F

  • Highest 8 October, 2025

    75 °F

Climate (2020–Present)

Yakima Air Terminal - McAllister Field (2.5 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    65.1 °F
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