10-day forecast for Union, IA: 41° to 70°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Sunday, November 1
65° · 0.45 in
Worst day: Monday, November 2
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0265° / 57°0.45
Morning58°feels 58°
Afternoon60°feels 60°
Evening65°feels 66°
Overnight59°feels 59°
65 °
Union, Monday, 2 November
Rain. High 65°, low 57°.
Pressure29.77 inHg
Wind17.7 mph SE
Humidity96%
Visibility1.8 mi
Dew point59°
Tue, 0370° / 54°0.35
Morning64°feels 64°
Afternoon68°feels 68°
Evening56°feels 55°
Overnight65°feels 65°
70 °
Union, Tuesday, 3 November
Rain. High 70°, low 54°.
Pressure29.53 inHg
Wind18.3 mph S
Humidity76%
Visibility6.2 mi
Dew point62°
Wed, 0455° / 50°0.03
Morning51°feels 50°
Afternoon52°feels 50°
Evening51°feels 49°
Overnight54°feels 53°
55 °
Union, Wednesday, 4 November
Light rain. High 55°, low 50°.
Pressure29.62 inHg
Wind12.9 mph W
Humidity70%
Visibility6.2 mi
Dew point44°
Thu, 0558° / 50°0.02
Morning52°feels 50°
Afternoon56°feels 54°
Evening54°feels 52°
Overnight50°feels 45°
58 °
Union, Thursday, 5 November
Light rain. High 58°, low 50°.
Pressure29.88 inHg
Wind14.7 mph N
Humidity59%
Visibility—
Dew point41°
Fri, 0653° / 43°0
Morning46°feels 42°
Afternoon51°feels 49°
Evening47°feels 47°
Overnight45°feels 43°
53 °
Union, Friday, 6 November
Partly cloudy. High 53°, low 43°.
Pressure30.18 inHg
Wind9 mph N
Humidity62%
Visibility—
Dew point38°
Sat, 0756° / 44°0
Morning47°feels 44°
Afternoon54°feels 51°
Evening49°feels 45°
Overnight48°feels 44°
56 °
Union, Saturday, 7 November
Overcast. High 56°, low 44°.
Pressure29.74 inHg
Wind9.7 mph NW
Humidity56%
Visibility—
Dew point38°
Sun, 0855° / 42°0
Morning45°feels 40°
Afternoon52°feels 50°
Evening48°feels 44°
Overnight46°feels 42°
55 °
Union, Sunday, 8 November
Clear. High 55°, low 42°.
Pressure29.88 inHg
Wind12.2 mph W
Humidity59%
Visibility—
Dew point38°
Mon, 0960° / 41°0
Morning46°feels 42°
Afternoon56°feels 53°
Evening52°feels 50°
Overnight48°feels 45°
60 °
Union, Monday, 9 November
Partly cloudy. High 60°, low 41°.
Pressure29.91 inHg
Wind10.2 mph W
Humidity43%
Visibility—
Dew point32°
Tue, 1057° / 46°0
Morning49°feels 46°
Afternoon56°feels 53°
Evening49°feels 47°
Overnight47°feels 44°
57 °
Union, Tuesday, 10 November
Overcast. High 57°, low 46°.
Pressure30.06 inHg
Wind7.8 mph NW
Humidity36%
Visibility—
Dew point29°
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, IA 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.