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

66°F

19°C

Humidity 25%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 18 Apr 05:53 PM PDT
Extended Forecast for

Union Gap WA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. Light and variable wind becoming northwest around 5 mph after midnight.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 74. Northwest wind around 6 mph becoming east in the afternoon.

    High: 74 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46. Light and variable wind becoming north around 6 mph after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 80. North wind around 6 mph becoming calm.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51. South wind 5 to 8 mph becoming northwest in the evening.

    Low: 51 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain. Mostly cloudy, with a high near 64.

    High: 64 °F

    Chance Rain

  • Wednesday Night

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

    Low: 42 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Light and variable wind becoming northwest around 5 mph after midnight.
Sunday
Partly sunny, with a high near 74. Northwest wind around 6 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 46. Light and variable wind becoming north around 6 mph after midnight.
Monday
Partly sunny, with a high near 80. North wind around 6 mph becoming calm.
Monday Night
Partly cloudy, with a low around 51. South wind 5 to 8 mph becoming northwest in the evening.
Tuesday
Mostly cloudy, with a high near 78.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 42.
Thursday
A slight chance of rain before 11am. Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 41.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 43.
Saturday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Union Gap WA
 46.54°N 120.47°W (Elev. 997 ft)
Last Update:
2:57 pm PDT Apr 18, 2026
Forecast Valid:
6pm PDT Apr 18, 2026-6pm PDT Apr 25, 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