Weather in Union, WA
Updated 2026-08-11 10:30 local time · ZIP codes 98592

Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
62°7% rain
68°5% rain
72°3% rain
75°2% rain
78°2% rain
79°2% rain
80°2% rain
78°3% rain
78°3% rain
78°3% rain
73°4% rain
69°4% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 15%).
It feels like 62°F with winds near 3 mph.
72°F, 3% rain chance and 4 mph wind.
Visibility is around 10 mi; gusts may reach 5 mph.
Current temperature is 62°F, wind 3 mph, rain chance up to 15%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Union weather today
Partly cloudy and 62°F in Union, WA. Today's high is 80°F with a 6% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 72%, pressure is 30.13 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Union
Sunrise is at 06:03 AM and sunset is at 08:31 PM. Tomorrow's forecast calls for Mist with a high near 75°F and a low near 53°F. The maximum rain chance is 73%.