10-day forecast for Union, IA: 40° to 67°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Sunday, November 1
67° · 1.11 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0264° / 56°0.62
Morning58°feels 58°
Afternoon60°feels 60°
Evening63°feels 63°
Overnight57°feels 57°
64 °
Union, Monday, 2 November
Rain. High 64°, low 56°.
Pressure29.80 inHg
Wind18.3 mph SE
Humidity96%
Visibility2.0 mi
Dew point58°
Tue, 0367° / 55°1.11
Morning64°feels 65°
Afternoon67°feels 67°
Evening57°feels 56°
Overnight63°feels 63°
67 °
Union, Tuesday, 3 November
Rain. High 67°, low 55°.
Pressure29.62 inHg
Wind8.1 mph W
Humidity85%
Visibility6.2 mi
Dew point61°
Wed, 0453° / 47°0.02
Morning50°feels 48°
Afternoon51°feels 49°
Evening47°feels 42°
Overnight52°feels 50°
53 °
Union, Wednesday, 4 November
Light rain. High 53°, low 47°.
Pressure29.65 inHg
Wind13.2 mph W
Humidity82%
Visibility6.2 mi
Dew point44°
Thu, 0553° / 46°0.07
Morning48°feels 42°
Afternoon53°feels 51°
Evening52°feels 50°
Overnight47°feels 42°
53 °
Union, Thursday, 5 November
Light rain. High 53°, low 46°.
Pressure29.85 inHg
Wind15.9 mph NW
Humidity63%
Visibility6.2 mi
Dew point41°
Fri, 0653° / 43°0
Morning46°feels 42°
Afternoon52°feels 50°
Evening48°feels 46°
Overnight44°feels 41°
53 °
Union, Friday, 6 November
Overcast. High 53°, low 43°.
Pressure30.12 inHg
Wind8.3 mph N
Humidity57%
Visibility—
Dew point37°
Sat, 0757° / 40°0.04
Morning46°feels 42°
Afternoon55°feels 54°
Evening53°feels 52°
Overnight50°feels 48°
57 °
Union, Saturday, 7 November
Light rain. High 57°, low 40°.
Pressure29.91 inHg
Wind10.5 mph E
Humidity65%
Visibility—
Dew point42°
Sun, 0856° / 48°0
Morning50°feels 47°
Afternoon53°feels 51°
Evening49°feels 48°
Overnight48°feels 47°
56 °
Union, Sunday, 8 November
Light rain. High 56°, low 48°.
Pressure30.09 inHg
Wind11.4 mph NE
Humidity58%
Visibility—
Dew point38°
Mon, 0958° / 43°0
Morning47°feels 44°
Afternoon55°feels 53°
Evening50°feels 48°
Overnight47°feels 44°
58 °
Union, Monday, 9 November
Overcast. High 58°, low 43°.
Pressure30.06 inHg
Wind12.3 mph SW
Humidity56%
Visibility—
Dew point39°
Tue, 1060° / 46°0
Morning49°feels 47°
Afternoon58°feels 55°
Evening51°feels 49°
Overnight49°feels 46°
60 °
Union, Tuesday, 10 November
Partly cloudy. High 60°, low 46°.
Pressure30.06 inHg
Wind7.2 mph SW
Humidity46%
Visibility—
Dew point37°
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.