10-day forecast for Union, WA: 37° to 62°, with precipitation expected on 9 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Thursday, November 12
56° · 1.35 in
Worst day: Tuesday, November 10
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1162° / 52°0.1
Morning54°feels 54°
Afternoon62°feels 61°
Evening54°feels 54°
Overnight54°feels 53°
62 °
Union, Wednesday, 11 November
Light rain. High 62°, low 52°.
Pressure29.97 inHg
Wind6.5 mph SW
Humidity78%
Visibility6.2 mi
Dew point54°
Thu, 1258° / 47°0.06
Morning51°feels 51°
Afternoon58°feels 58°
Evening47°feels 46°
Overnight51°feels 50°
58 °
Union, Thursday, 12 November
Light rain. High 58°, low 47°.
Pressure29.74 inHg
Wind0.5 mph NW
Humidity96%
Visibility6.2 mi
Dew point56°
Fri, 1352° / 46°0.13
Morning52°feels 50°
Afternoon51°feels 50°
Evening47°feels 46°
Overnight49°feels 49°
52 °
Union, Friday, 13 November
Light rain. High 52°, low 46°.
Pressure29.32 inHg
Wind5.9 mph W
Humidity94%
Visibility3.4 mi
Dew point49°
Sat, 1453° / 45°0.38
Morning47°feels 45°
Afternoon52°feels 51°
Evening48°feels 48°
Overnight46°feels 44°
53 °
Union, Saturday, 14 November
Light rain. High 53°, low 45°.
Pressure29.71 inHg
Wind6.3 mph S
Humidity86%
Visibility6.2 mi
Dew point48°
Sun, 1551° / 46°1.1
Morning48°feels 48°
Afternoon49°feels 49°
Evening49°feels 47°
Overnight46°feels 45°
51 °
Union, Sunday, 15 November
Rain. High 51°, low 46°.
Pressure29.74 inHg
Wind4.4 mph SW
Humidity93%
Visibility—
Dew point47°
Mon, 1652° / 45°0.3
Morning46°feels 44°
Afternoon49°feels 47°
Evening49°feels 47°
Overnight48°feels 46°
52 °
Union, Monday, 16 November
Light rain. High 52°, low 45°.
Pressure29.97 inHg
Wind7 mph SW
Humidity91%
Visibility—
Dew point46°
Tue, 1750° / 47°0.6
Morning49°feels 48°
Afternoon50°feels 49°
Evening49°feels 46°
Overnight48°feels 45°
50 °
Union, Tuesday, 17 November
Rain. High 50°, low 47°.
Pressure29.91 inHg
Wind8.6 mph S
Humidity88%
Visibility—
Dew point46°
Wed, 1847° / 40°0.25
Morning43°feels 43°
Afternoon46°feels 44°
Evening44°feels 40°
Overnight40°feels 40°
47 °
Union, Wednesday, 18 November
Light rain. High 47°, low 40°.
Pressure29.80 inHg
Wind8.4 mph SW
Humidity91%
Visibility—
Dew point43°
Thu, 1949° / 37°0
Morning39°feels 39°
Afternoon44°feels 43°
Evening44°feels 42°
Overnight39°feels 37°
49 °
Union, Thursday, 19 November
Clear. High 49°, low 37°.
Pressure30.15 inHg
Wind3.8 mph N
Humidity88%
Visibility—
Dew point39°
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.