National Weather Service

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Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP/OSO) for all NWS Western Region Offices Effect July 7, 2026

Current conditions at

Yakima Air Terminal - McAllister Field (KYKM)

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

Clear

70°F

21°C

Humidity	32%
Wind Speed	NNW 9 MPH
Barometer	29.79 in (1008.81 mb)
Dewpoint	39°F (4°C)
Visibility	10.00 mi
Last update	26 May 06:30 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Union Gap WA

Tonight
Low: 48 °F
Partly Cloudy
Wednesday
High: 88 °F
Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 93 °F
Increasing
Clouds
Thursday Night
Low: 55 °F
Showers then
Chance
Showers
Friday
High: 79 °F
Chance
Showers then
Partly Sunny
Friday Night
Low: 45 °F
Partly Cloudy
Saturday
High: 74 °F
Mostly Sunny
Saturday Night
Low: 43 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 48. Northwest wind 7 to 9 mph.

Wednesday

Sunny, with a high near 88. North wind 5 to 7 mph.

Wednesday Night

Partly cloudy, with a low around 56. North wind around 7 mph.

Thursday

Increasing clouds, with a high near 93. North wind around 5 mph becoming calm.

Thursday Night

Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 55. South wind 6 to 9 mph becoming northwest in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 30 percent chance of showers before 11am. Partly sunny, with a high near 79.

Friday Night

Partly cloudy, with a low around 45.

Saturday

Mostly sunny, with a high near 74.

Saturday Night

Mostly clear, with a low around 43.

Sunday

Sunny, with a high near 76.

Sunday Night

Mostly clear, with a low around 45.