10-day forecast for Union, CO: 31° to 77°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Thursday, October 22
61° · 0.5 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1656° / 35°0
Morning37°feels 31°
Afternoon55°feels 51°
Evening46°feels 43°
Overnight39°feels 32°
56 °
Union, Friday, 16 October
Clear. High 56°, low 35°.
Pressure30.74 inHg
Wind3.2 mph N
Humidity45%
Visibility6.2 mi
Dew point18°
Sat, 1773° / 31°0
Morning34°feels 27°
Afternoon70°feels 68°
Evening58°feels 55°
Overnight41°feels 36°
73 °
Union, Saturday, 17 October
Clear. High 73°, low 31°.
Pressure30.24 inHg
Wind6.4 mph SW
Humidity30%
Visibility6.2 mi
Dew point26°
Sun, 1874° / 37°0
Morning40°feels 40°
Afternoon74°feels 72°
Evening61°feels 58°
Overnight45°feels 42°
74 °
Union, Sunday, 18 October
Overcast. High 74°, low 37°.
Pressure30.00 inHg
Wind1.9 mph E
Humidity24%
Visibility6.2 mi
Dew point27°
Mon, 1970° / 48°0
Morning51°feels 49°
Afternoon68°feels 66°
Evening63°feels 61°
Overnight50°feels 48°
70 °
Union, Monday, 19 October
Clear. High 70°, low 48°.
Pressure30.03 inHg
Wind3.4 mph E
Humidity38%
Visibility6.2 mi
Dew point38°
Tue, 2071° / 45°0
Morning51°feels 51°
Afternoon66°feels 65°
Evening65°feels 63°
Overnight55°feels 54°
71 °
Union, Tuesday, 20 October
Clear. High 71°, low 45°.
Pressure29.97 inHg
Wind5 mph NE
Humidity46%
Visibility—
Dew point42°
Wed, 2175° / 48°0
Morning55°feels 53°
Afternoon69°feels 68°
Evening68°feels 66°
Overnight60°feels 58°
75 °
Union, Wednesday, 21 October
Clear. High 75°, low 48°.
Pressure29.91 inHg
Wind8 mph E
Humidity35%
Visibility—
Dew point38°
Thu, 2277° / 55°0
Morning60°feels 58°
Afternoon73°feels 71°
Evening71°feels 69°
Overnight63°feels 61°
77 °
Union, Thursday, 22 October
Overcast. High 77°, low 55°.
Pressure29.71 inHg
Wind21 mph S
Humidity29%
Visibility—
Dew point36°
Fri, 2361° / 47°0.5
Morning55°feels 52°
Afternoon50°feels 42°
Evening52°feels 50°
Overnight54°feels 51°
61 °
Union, Friday, 23 October
Rain. High 61°, low 47°.
Pressure29.62 inHg
Wind34.1 mph NW
Humidity76%
Visibility—
Dew point43°
Sat, 2461° / 46°0.04
Morning49°feels 46°
Afternoon56°feels 53°
Evening52°feels 49°
Overnight49°feels 44°
61 °
Union, Saturday, 24 October
Light rain. High 61°, low 46°.
Pressure30.12 inHg
Wind17.6 mph NW
Humidity35%
Visibility—
Dew point28°
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.