Weather forecast for: Union Gap WA
Last Update: 4:06 pm PDT Sep 17, 2026
Tonight: Mostly clear, with a low around 52. Calm wind becoming northwest around 5 mph after midnight.
Friday: Sunny, with a high near 81. Northwest wind around 5 mph becoming calm in the morning.
Friday Night: Mostly clear, with a low around 52. Light and variable wind.
Saturday: Sunny, with a high near 82. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night: Mostly clear, with a low around 54. Light and variable wind.
Sunday: Sunny, with a high near 83.
Sunday Night: Mostly clear, with a low around 55.
Monday: Sunny, with a high near 84.
Monday Night: Partly cloudy, with a low around 52.
Tuesday: Mostly sunny, with a high near 75.
Tuesday Night: Partly cloudy, with a low around 49.
Wednesday: Mostly sunny, with a high near 71.
Wednesday Night: Partly cloudy, with a low around 49.
Thursday: Mostly sunny, with a high near 73.