10-day forecast for Union, WA: 36° to 59°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
59°
Best day: Wednesday, November 4
48° · 0.54 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2850° / 42°0.09
Morning44°feels 41°
Afternoon50°feels 48°
Evening42°feels 42°
Overnight48°feels 45°
50 °
Union, Wednesday, 28 October
Light rain. High 50°, low 42°.
Pressure29.97 inHg
Wind8.9 mph SW
Humidity64%
Visibility6.2 mi
Dew point39°
Thu, 2945° / 38°0.35
Morning41°feels 41°
Afternoon45°feels 45°
Evening40°feels 38°
Overnight42°feels 42°
45 °
Union, Thursday, 29 October
Rain. High 45°, low 38°.
Pressure30.03 inHg
Wind1.1 mph SE
Humidity91%
Visibility2.4 mi
Dew point43°
Fri, 3048° / 37°0.54
Morning40°feels 40°
Afternoon48°feels 48°
Evening41°feels 38°
Overnight38°feels 38°
48 °
Union, Friday, 30 October
Rain. High 48°, low 37°.
Pressure29.94 inHg
Wind0.9 mph S
Humidity95%
Visibility6.2 mi
Dew point43°
Sat, 3152° / 39°0.09
Morning39°feels 39°
Afternoon52°feels 50°
Evening48°feels 47°
Overnight41°feels 41°
52 °
Union, Saturday, 31 October
Light rain. High 52°, low 39°.
Pressure30.03 inHg
Wind2.4 mph N
Humidity83%
Visibility6.2 mi
Dew point43°
Sun, 0154° / 36°0
Morning40°feels 40°
Afternoon49°feels 48°
Evening49°feels 48°
Overnight40°feels 40°
54 °
Union, Sunday, 1 November
Partly cloudy. High 54°, low 36°.
Pressure30.30 inHg
Wind5.4 mph SW
Humidity75%
Visibility—
Dew point39°
Mon, 0255° / 41°0
Morning43°feels 43°
Afternoon49°feels 47°
Evening49°feels 47°
Overnight44°feels 42°
55 °
Union, Monday, 2 November
Overcast. High 55°, low 41°.
Pressure30.24 inHg
Wind6.6 mph NE
Humidity64%
Visibility—
Dew point37°
Tue, 0354° / 42°0
Morning45°feels 44°
Afternoon50°feels 49°
Evening50°feels 48°
Overnight45°feels 45°
54 °
Union, Tuesday, 3 November
Overcast. High 54°, low 42°.
Pressure30.06 inHg
Wind4.2 mph NE
Humidity59%
Visibility—
Dew point35°
Wed, 0459° / 40°0
Morning45°feels 44°
Afternoon53°feels 50°
Evening54°feels 53°
Overnight46°feels 46°
59 °
Union, Wednesday, 4 November
Overcast. High 59°, low 40°.
Pressure30.00 inHg
Wind5.3 mph SW
Humidity57%
Visibility—
Dew point36°
Thu, 0558° / 43°0
Morning46°feels 46°
Afternoon53°feels 51°
Evening53°feels 52°
Overnight47°feels 47°
58 °
Union, Thursday, 5 November
Overcast. High 58°, low 43°.
Pressure30.03 inHg
Wind2.7 mph N
Humidity69%
Visibility—
Dew point41°
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.