10-day forecast for Union, WA: 39° to 64°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Friday, November 13
57° · 1.23 in
Worst day: Tuesday, November 10
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0654° / 43°0.61
Morning46°feels 46°
Afternoon54°feels 54°
Evening54°feels 53°
Overnight44°feels 44°
54 °
Union, Friday, 6 November
Rain. High 54°, low 43°.
Pressure30.03 inHg
Wind5.1 mph SW
Humidity97%
Visibility2.1 mi
Dew point49°
Sat, 0758° / 47°0.66
Morning50°feels 50°
Afternoon58°feels 58°
Evening54°feels 54°
Overnight51°feels 50°
58 °
Union, Saturday, 7 November
Heavy rain. High 58°, low 47°.
Pressure29.88 inHg
Wind3.2 mph W
Humidity95%
Visibility6.2 mi
Dew point54°
Sun, 0855° / 39°0.13
Morning45°feels 41°
Afternoon54°feels 52°
Evening41°feels 41°
Overnight48°feels 43°
55 °
Union, Sunday, 8 November
Light rain. High 55°, low 39°.
Pressure30.15 inHg
Wind8.5 mph SW
Humidity66%
Visibility6.2 mi
Dew point43°
Mon, 0949° / 39°0.52
Morning44°feels 42°
Afternoon49°feels 49°
Evening49°feels 49°
Overnight40°feels 37°
49 °
Union, Monday, 9 November
Rain. High 49°, low 39°.
Pressure29.97 inHg
Wind4.6 mph N
Humidity62%
Visibility—
Dew point35°
Tue, 1057° / 49°1.23
Morning52°feels 51°
Afternoon54°feels 54°
Evening53°feels 53°
Overnight49°feels 49°
57 °
Union, Tuesday, 10 November
Heavy rain. High 57°, low 49°.
Pressure29.83 inHg
Wind10.3 mph SW
Humidity98%
Visibility—
Dew point53°
Wed, 1159° / 45°0
Morning49°feels 47°
Afternoon54°feels 52°
Evening53°feels 52°
Overnight49°feels 49°
59 °
Union, Wednesday, 11 November
Overcast. High 59°, low 45°.
Pressure30.03 inHg
Wind3.6 mph N
Humidity61%
Visibility—
Dew point40°
Thu, 1263° / 46°0
Morning50°feels 49°
Afternoon57°feels 55°
Evening56°feels 55°
Overnight50°feels 49°
63 °
Union, Thursday, 12 November
Partly cloudy. High 63°, low 46°.
Pressure30.12 inHg
Wind3.1 mph W
Humidity61%
Visibility—
Dew point42°
Fri, 1364° / 47°0
Morning51°feels 51°
Afternoon57°feels 56°
Evening56°feels 55°
Overnight49°feels 49°
64 °
Union, Friday, 13 November
Clear. High 64°, low 47°.
Pressure29.91 inHg
Wind3.3 mph N
Humidity60%
Visibility—
Dew point42°
Sat, 1455° / 45°0.02
Morning48°feels 47°
Afternoon52°feels 50°
Evening52°feels 50°
Overnight49°feels 49°
55 °
Union, Saturday, 14 November
Light rain. High 55°, low 45°.
Pressure29.65 inHg
Wind3.3 mph N
Humidity71%
Visibility—
Dew point42°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Union, WA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.