10-day forecast for Union, IA: 32° to 74°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Saturday, October 24
51°
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1862° / 41°0
Morning45°feels 39°
Afternoon60°feels 58°
Evening50°feels 48°
Overnight45°feels 39°
62 °
Union, Sunday, 18 October
Clear. High 62°, low 41°.
Pressure30.30 inHg
Wind14.1 mph S
Humidity55%
Visibility6.2 mi
Dew point40°
Mon, 1963° / 43°0
Morning44°feels 41°
Afternoon63°feels 61°
Evening52°feels 51°
Overnight46°feels 43°
63 °
Union, Monday, 19 October
Overcast. High 63°, low 43°.
Pressure30.33 inHg
Wind6 mph S
Humidity65%
Visibility6.2 mi
Dew point47°
Tue, 2066° / 43°0
Morning44°feels 41°
Afternoon65°feels 64°
Evening54°feels 53°
Overnight46°feels 44°
66 °
Union, Tuesday, 20 October
Clear. High 66°, low 43°.
Pressure30.33 inHg
Wind7.7 mph SE
Humidity58%
Visibility6.2 mi
Dew point47°
Wed, 2169° / 47°0
Morning50°feels 49°
Afternoon67°feels 66°
Evening58°feels 57°
Overnight50°feels 47°
69 °
Union, Wednesday, 21 October
Overcast. High 69°, low 47°.
Pressure30.24 inHg
Wind6.4 mph S
Humidity63%
Visibility6.2 mi
Dew point50°
Thu, 2270° / 49°0
Morning55°feels 54°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight55°feels 54°
70 °
Union, Thursday, 22 October
Clear. High 70°, low 49°.
Pressure30.24 inHg
Wind6.8 mph SE
Humidity51%
Visibility—
Dew point48°
Fri, 2371° / 51°0
Morning56°feels 55°
Afternoon67°feels 66°
Evening65°feels 64°
Overnight62°feels 61°
71 °
Union, Friday, 23 October
Overcast. High 71°, low 51°.
Pressure30.18 inHg
Wind14.7 mph S
Humidity56%
Visibility—
Dew point49°
Sat, 2474° / 51°0
Morning65°feels 64°
Afternoon71°feels 70°
Evening58°feels 56°
Overnight53°feels 51°
74 °
Union, Saturday, 24 October
Overcast. High 74°, low 51°.
Pressure30.03 inHg
Wind18.9 mph SW
Humidity44%
Visibility—
Dew point49°
Sun, 2551° / 41°0
Morning44°feels 38°
Afternoon48°feels 44°
Evening44°feels 40°
Overnight41°feels 37°
51 °
Union, Sunday, 25 October
Overcast. High 51°, low 41°.
Pressure30.50 inHg
Wind14.9 mph NW
Humidity39%
Visibility—
Dew point24°
Mon, 2657° / 36°0
Morning41°feels 37°
Afternoon53°feels 49°
Evening46°feels 42°
Overnight42°feels 37°
57 °
Union, Monday, 26 October
Clear. High 57°, low 36°.
Pressure30.39 inHg
Wind9.5 mph SW
Humidity37%
Visibility—
Dew point26°
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.