Weather forecast for: Union OR
Last Update: 3:01 pm PDT Oct 20, 2026
Tonight: Mostly clear, with a low around 39. Calm wind.
Wednesday: Mostly sunny, with a high near 74. South wind 5 to 14 mph, with gusts as high as 20 mph.
Wednesday Night: Partly cloudy, with a low around 42. South wind around 6 mph becoming calm after midnight.
Thursday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 65. Light southwest wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 34. Northwest wind 6 to 11 mph increasing to 16 to 21 mph in the evening. Winds could gust as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday: Mostly sunny, with a high near 54.
Friday Night: Mostly clear, with a low around 25.
Saturday: Mostly sunny, with a high near 58.
Saturday Night: Partly cloudy, with a low around 33. Breezy.
Sunday: A slight chance of showers before 11am. Mostly sunny, with a high near 60.
Sunday Night: A slight chance of showers. Partly cloudy, with a low around 32.
Monday: Mostly sunny, with a high near 61.
Monday Night: A slight chance of showers. Partly cloudy, with a low around 32.
Tuesday: Mostly sunny, with a high near 61.
WeatherWorld.com
City of Union, OR
