10-day forecast for Union, CO: 36° to 79°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Thursday, October 22
39° · 0.08 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1773° / 40°0
Morning43°feels 38°
Afternoon71°feels 68°
Evening59°feels 56°
Overnight42°feels 37°
73 °
Union, Saturday, 17 October
Clear. High 73°, low 40°.
Pressure30.24 inHg
Wind6.3 mph SW
Humidity30%
Visibility6.2 mi
Dew point25°
Sun, 1874° / 37°0
Morning41°feels 41°
Afternoon74°feels 73°
Evening61°feels 58°
Overnight45°feels 42°
74 °
Union, Sunday, 18 October
Overcast. High 74°, low 37°.
Pressure30.00 inHg
Wind2.7 mph NE
Humidity23%
Visibility6.2 mi
Dew point26°
Mon, 1970° / 52°0
Morning53°feels 51°
Afternoon67°feels 65°
Evening59°feels 57°
Overnight53°feels 51°
70 °
Union, Monday, 19 October
Partly cloudy. High 70°, low 52°.
Pressure30.03 inHg
Wind2.3 mph NE
Humidity42%
Visibility6.2 mi
Dew point39°
Tue, 2073° / 45°0
Morning51°feels 50°
Afternoon66°feels 64°
Evening66°feels 65°
Overnight56°feels 55°
73 °
Union, Tuesday, 20 October
Clear. High 73°, low 45°.
Pressure29.88 inHg
Wind7.2 mph E
Humidity47%
Visibility—
Dew point42°
Wed, 2176° / 47°0
Morning54°feels 53°
Afternoon71°feels 70°
Evening68°feels 66°
Overnight61°feels 59°
76 °
Union, Wednesday, 21 October
Clear. High 76°, low 47°.
Pressure29.94 inHg
Wind6.4 mph E
Humidity40%
Visibility—
Dew point43°
Thu, 2279° / 57°0
Morning62°feels 60°
Afternoon73°feels 71°
Evening69°feels 68°
Overnight64°feels 62°
79 °
Union, Thursday, 22 October
Overcast. High 79°, low 57°.
Pressure29.80 inHg
Wind22 mph S
Humidity39%
Visibility—
Dew point45°
Fri, 2362° / 51°0.19
Morning55°feels 54°
Afternoon52°feels 50°
Evening55°feels 52°
Overnight53°feels 50°
62 °
Union, Friday, 23 October
Rain. High 62°, low 51°.
Pressure29.56 inHg
Wind30.3 mph NW
Humidity74%
Visibility—
Dew point44°
Sat, 2449° / 38°0.02
Morning40°feels 36°
Afternoon42°feels 36°
Evening42°feels 34°
Overnight39°feels 32°
49 °
Union, Saturday, 24 October
Light rain. High 49°, low 38°.
Pressure30.33 inHg
Wind16.5 mph N
Humidity62%
Visibility—
Dew point29°
Sun, 2539° / 36°0.08
Morning37°feels 34°
Afternoon38°feels 35°
Evening39°feels 36°
Overnight36°feels 32°
39 °
Union, Sunday, 25 October
Light snow. High 39°, low 36°.
Pressure30.47 inHg
Wind7.8 mph N
Humidity61%
Visibility—
Dew point25°
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, CO 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.