10-day forecast for Union, WA: 38° to 63°, with precipitation expected on 9 days. The table below breaks each day into morning, afternoon, evening and overnight.
50°
Best day: Tuesday, November 17
51° · 2.38 in
Worst day: Saturday, November 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0953° / 44°0.54
Morning47°feels 47°
Afternoon49°feels 48°
Evening48°feels 45°
Overnight47°feels 46°
53 °
Union, Monday, 9 November
Rain. High 53°, low 44°.
Pressure29.91 inHg
Wind3.3 mph N
Humidity74%
Visibility1.9 mi
Dew point43°
Tue, 1053° / 45°1.32
Morning47°feels 47°
Afternoon52°feels 51°
Evening52°feels 52°
Overnight45°feels 45°
53 °
Union, Tuesday, 10 November
Rain. High 53°, low 45°.
Pressure30.09 inHg
Wind1.5 mph NW
Humidity97%
Visibility3.0 mi
Dew point50°
Wed, 1163° / 53°0.13
Morning54°feels 54°
Afternoon63°feels 62°
Evening56°feels 56°
Overnight53°feels 53°
63 °
Union, Wednesday, 11 November
Rain. High 63°, low 53°.
Pressure29.94 inHg
Wind6.5 mph SW
Humidity77%
Visibility6.2 mi
Dew point55°
Thu, 1262° / 49°0.29
Morning52°feels 51°
Afternoon61°feels 60°
Evening57°feels 56°
Overnight52°feels 51°
62 °
Union, Thursday, 12 November
Rain. High 62°, low 49°.
Pressure29.68 inHg
Wind3.3 mph SW
Humidity64%
Visibility6.2 mi
Dew point49°
Fri, 1351° / 46°1.55
Morning49°feels 46°
Afternoon49°feels 45°
Evening47°feels 42°
Overnight46°feels 41°
51 °
Union, Friday, 13 November
Rain. High 51°, low 46°.
Pressure29.35 inHg
Wind12.7 mph S
Humidity98%
Visibility—
Dew point48°
Sat, 1451° / 46°2.38
Morning47°feels 44°
Afternoon49°feels 48°
Evening50°feels 50°
Overnight47°feels 46°
51 °
Union, Saturday, 14 November
Heavy rain. High 51°, low 46°.
Pressure29.59 inHg
Wind12.7 mph SW
Humidity100%
Visibility—
Dew point48°
Sun, 1551° / 45°0.14
Morning46°feels 46°
Afternoon50°feels 49°
Evening48°feels 47°
Overnight46°feels 46°
51 °
Union, Sunday, 15 November
Light rain. High 51°, low 45°.
Pressure29.77 inHg
Wind4.3 mph SW
Humidity87%
Visibility—
Dew point45°
Mon, 1653° / 40°0.04
Morning45°feels 44°
Afternoon47°feels 46°
Evening48°feels 47°
Overnight41°feels 41°
53 °
Union, Monday, 16 November
Light rain. High 53°, low 40°.
Pressure29.94 inHg
Wind5.5 mph SW
Humidity85%
Visibility—
Dew point42°
Tue, 1750° / 38°0
Morning41°feels 41°
Afternoon45°feels 45°
Evening45°feels 45°
Overnight39°feels 37°
50 °
Union, Tuesday, 17 November
Mostly clear. High 50°, low 38°.
Pressure30.15 inHg
Wind4.5 mph N
Humidity80%
Visibility—
Dew point38°
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.