National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

Lat: 46.56402°NLon: 120.53484°WElev: 1043.0ft.

Clear

76°F

24°C

Humidity 19%
Wind Speed N 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 21 May 03:53 PM PDT
Extended Forecast for

Union Gap WA

  • Tonight

    Tonight: Mostly clear, with a low around 51. Light and variable wind becoming northwest around 6 mph in the evening.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. Southwest wind 6 to 8 mph becoming north in the evening.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 87. Northwest wind 3 to 6 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Northwest wind 7 to 17 mph, with gusts as high as 32 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 73. Breezy.

    High: 73 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 51. Light and variable wind becoming northwest around 6 mph in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 53. Southwest wind 6 to 8 mph becoming north in the evening.
Saturday
Sunny, with a high near 87. Northwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 52. Northwest wind 7 to 17 mph, with gusts as high as 32 mph.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 51.
Memorial Day
Partly sunny, with a high near 73. Breezy.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 74.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Thursday
A slight chance of showers. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Union Gap WA
 46.56°N 120.5°W (Elev. 1001 ft)
Last Update:
3:01 pm PDT May 21, 2026
Forecast Valid:
4pm PDT May 21, 2026-6pm PDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation