Union Gap Weather Forecast

    • 59
    • 96

    Increasing Clouds

    • 56
    • 89

    Mostly Sunny

    • 61
    • 87

    Partly Sunny

    • 60
    • 86

    Partly Sunny

    • 63
    • 90

    Mostly Sunny

    • 64
    • 95

    Mostly Sunny

Today 18 Jul Yakima Valley

Sunny. Highs in the lower to mid 90s. West wind 5 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 18 Jul Yakima Valley

Mostly cloudy. Lows in the mid 50s to lower 60s. Windy. Northwest wind 15 to 25 Mph with Gusts to around 35 Mph decreasing to 5 to 15 Mph with Gusts to around 25 Mph overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Gap Temperature Statistics

July Temperature

Yakima Air Terminal - McAllister Field (2.5 miles)

  • Lowest 6 July, 2025

    49.6 °F

  • Average July

    77.9 °F

  • Highest 13 July, 2025

    100.9 °F

Climate (2020–Present)

Yakima Air Terminal - McAllister Field (2.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    65.1 °F
Get WillyWeather+ to remove ads