10-day forecast for Union, WA: 39° to 66°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Tuesday, November 10
56° · 0.53 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0252° / 39°0
Morning41°feels 41°
Afternoon52°feels 50°
Evening45°feels 45°
Overnight40°feels 40°
52 °
Union, Monday, 2 November
Overcast. High 52°, low 39°.
Pressure30.18 inHg
Wind1.1 mph SE
Humidity52%
Visibility0.8 mi
Dew point38°
Tue, 0360° / 44°0
Morning46°feels 46°
Afternoon60°feels 58°
Evening46°feels 46°
Overnight45°feels 45°
60 °
Union, Tuesday, 3 November
Overcast. High 60°, low 44°.
Pressure30.06 inHg
Wind3.6 mph NE
Humidity47%
Visibility6.2 mi
Dew point38°
Wed, 0456° / 39°0.17
Morning43°feels 43°
Afternoon56°feels 54°
Evening48°feels 47°
Overnight42°feels 42°
56 °
Union, Wednesday, 4 November
Rain. High 56°, low 39°.
Pressure30.06 inHg
Wind4 mph S
Humidity65%
Visibility6.2 mi
Dew point43°
Thu, 0555° / 43°0.21
Morning45°feels 43°
Afternoon54°feels 52°
Evening51°feels 50°
Overnight47°feels 47°
55 °
Union, Thursday, 5 November
Rain. High 55°, low 43°.
Pressure30.18 inHg
Wind6.2 mph SW
Humidity80%
Visibility6.2 mi
Dew point47°
Fri, 0656° / 43°0.53
Morning47°feels 46°
Afternoon49°feels 46°
Evening51°feels 50°
Overnight44°feels 44°
56 °
Union, Friday, 6 November
Rain. High 56°, low 43°.
Pressure30.03 inHg
Wind9.4 mph W
Humidity98%
Visibility—
Dew point48°
Sat, 0757° / 40°0
Morning43°feels 40°
Afternoon51°feels 49°
Evening55°feels 53°
Overnight49°feels 47°
57 °
Union, Saturday, 7 November
Overcast. High 57°, low 40°.
Pressure30.15 inHg
Wind4.3 mph N
Humidity68%
Visibility—
Dew point38°
Sun, 0856° / 45°0.13
Morning52°feels 51°
Afternoon50°feels 48°
Evening50°feels 49°
Overnight47°feels 47°
56 °
Union, Sunday, 8 November
Light rain. High 56°, low 45°.
Pressure30.30 inHg
Wind7.9 mph SW
Humidity95%
Visibility—
Dew point49°
Mon, 0957° / 45°0
Morning46°feels 46°
Afternoon52°feels 50°
Evening53°feels 52°
Overnight48°feels 48°
57 °
Union, Monday, 9 November
Overcast. High 57°, low 45°.
Pressure30.06 inHg
Wind2.9 mph NE
Humidity74%
Visibility—
Dew point42°
Tue, 1066° / 49°0
Morning51°feels 51°
Afternoon57°feels 56°
Evening58°feels 57°
Overnight54°feels 53°
66 °
Union, Tuesday, 10 November
Overcast. High 66°, low 49°.
Pressure30.03 inHg
Wind3.5 mph N
Humidity70%
Visibility—
Dew point46°
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.