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

48°F

9°C

Humidity 70%
Wind Speed W 6 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Apr 02:35 AM PDT
Extended Forecast for

Union Gap WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. Northwest wind around 7 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 77. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 18 mph.

    High: 77 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 50. Northwest wind 9 to 13 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 66. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. West wind 8 to 17 mph, with gusts as high as 28 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. Northwest wind around 7 mph.
Tuesday
A 30 percent chance of rain, mainly after 5pm. Mostly cloudy, with a high near 77. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 18 mph.
Tuesday Night
A 50 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 50. Northwest wind 9 to 13 mph, with gusts as high as 25 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 40 percent chance of rain, mainly before 11am. Mostly cloudy, with a high near 66. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 43. West wind 8 to 17 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 71.
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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:
11:46 pm PDT Apr 20, 2026
Forecast Valid:
2am PDT Apr 21, 2026-6pm PDT Apr 27, 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