10-day forecast for Union, CO: 32° to 78°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
78°
Best day: Wednesday, October 21
46°
Worst day: Saturday, October 24
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1654° / 34°0
Morning35°feels 28°
Afternoon53°feels 50°
Evening43°feels 40°
Overnight37°feels 29°
54 °
Union, Friday, 16 October
Clear. High 54°, low 34°.
Pressure30.74 inHg
Wind5.7 mph N
Humidity44%
Visibility6.2 mi
Dew point17°
Sat, 1772° / 32°0
Morning34°feels 27°
Afternoon70°feels 67°
Evening58°feels 55°
Overnight37°feels 32°
72 °
Union, Saturday, 17 October
Clear. High 72°, low 32°.
Pressure30.24 inHg
Wind5.7 mph SW
Humidity31%
Visibility6.2 mi
Dew point25°
Sun, 1873° / 39°0
Morning46°feels 46°
Afternoon71°feels 69°
Evening58°feels 55°
Overnight44°feels 42°
73 °
Union, Sunday, 18 October
Overcast. High 73°, low 39°.
Pressure30.06 inHg
Wind5.8 mph NE
Humidity24%
Visibility6.2 mi
Dew point25°
Mon, 1970° / 43°0
Morning49°feels 49°
Afternoon64°feels 62°
Evening63°feels 61°
Overnight53°feels 51°
70 °
Union, Monday, 19 October
Clear. High 70°, low 43°.
Pressure30.09 inHg
Wind6.6 mph E
Humidity40%
Visibility—
Dew point37°
Tue, 2074° / 45°0
Morning51°feels 50°
Afternoon67°feels 65°
Evening67°feels 66°
Overnight61°feels 60°
74 °
Union, Tuesday, 20 October
Clear. High 74°, low 45°.
Pressure29.94 inHg
Wind15.3 mph S
Humidity37%
Visibility—
Dew point37°
Wed, 2178° / 59°0
Morning63°feels 62°
Afternoon72°feels 71°
Evening72°feels 71°
Overnight68°feels 66°
78 °
Union, Wednesday, 21 October
Partly cloudy. High 78°, low 59°.
Pressure29.74 inHg
Wind21.5 mph S
Humidity39%
Visibility—
Dew point44°
Thu, 2273° / 53°0.04
Morning65°feels 64°
Afternoon69°feels 67°
Evening56°feels 53°
Overnight55°feels 53°
73 °
Union, Thursday, 22 October
Light rain. High 73°, low 53°.
Pressure29.56 inHg
Wind29.6 mph NW
Humidity23%
Visibility—
Dew point31°
Fri, 2362° / 48°0.05
Morning52°feels 48°
Afternoon59°feels 56°
Evening53°feels 49°
Overnight48°feels 44°
62 °
Union, Friday, 23 October
Light rain. High 62°, low 48°.
Pressure29.88 inHg
Wind18.9 mph NW
Humidity26%
Visibility—
Dew point24°
Sat, 2446° / 39°0.03
Morning41°feels 35°
Afternoon44°feels 39°
Evening44°feels 39°
Overnight42°feels 37°
46 °
Union, Saturday, 24 October
Snow. High 46°, low 39°.
Pressure30.39 inHg
Wind13.6 mph N
Humidity40%
Visibility—
Dew point21°
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.