10-day forecast for Union, IA: 23° to 61°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
57°
Best day: Wednesday, November 18
61° · 0.74 in
Worst day: Saturday, November 21
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1548° / 25°0
Morning31°feels 27°
Afternoon48°feels 46°
Evening32°feels 27°
Overnight27°feels 23°
48 °
Union, Sunday, 15 November
Clear. High 48°, low 25°.
Pressure30.45 inHg
Wind5.9 mph S
Humidity59%
Visibility6.2 mi
Dew point30°
Mon, 1651° / 30°0
Morning32°feels 26°
Afternoon51°feels 48°
Evening41°feels 35°
Overnight31°feels 26°
51 °
Union, Monday, 16 November
Clear. High 51°, low 30°.
Pressure30.45 inHg
Wind9.8 mph S
Humidity55%
Visibility6.2 mi
Dew point33°
Tue, 1755° / 36°0
Morning38°feels 31°
Afternoon55°feels 53°
Evening47°feels 41°
Overnight37°feels 31°
55 °
Union, Tuesday, 17 November
Partly cloudy. High 55°, low 36°.
Pressure30.36 inHg
Wind11.8 mph S
Humidity55%
Visibility6.2 mi
Dew point37°
Wed, 1857° / 44°0
Morning46°feels 40°
Afternoon54°feels 52°
Evening53°feels 51°
Overnight45°feels 38°
57 °
Union, Wednesday, 18 November
Overcast. High 57°, low 44°.
Pressure30.12 inHg
Wind16.7 mph S
Humidity54%
Visibility6.2 mi
Dew point38°
Thu, 1957° / 50°0.04
Morning53°feels 53°
Afternoon57°feels 56°
Evening52°feels 51°
Overnight51°feels 49°
57 °
Union, Thursday, 19 November
Light rain. High 57°, low 50°.
Pressure30.12 inHg
Wind14.1 mph S
Humidity74%
Visibility—
Dew point48°
Fri, 2061° / 41°0.03
Morning44°feels 38°
Afternoon51°feels 47°
Evening58°feels 57°
Overnight57°feels 55°
61 °
Union, Friday, 20 November
Light rain. High 61°, low 41°.
Pressure30.06 inHg
Wind17.3 mph S
Humidity92%
Visibility—
Dew point46°
Sat, 2161° / 43°0.74
Morning57°feels 56°
Afternoon54°feels 53°
Evening45°feels 36°
Overnight46°feels 39°
61 °
Union, Saturday, 21 November
Rain. High 61°, low 43°.
Pressure29.65 inHg
Wind23.2 mph NW
Humidity94%
Visibility—
Dew point55°
Sun, 2242° / 34°0
Morning38°feels 29°
Afternoon39°feels 30°
Evening36°feels 30°
Overnight35°feels 28°
42 °
Union, Sunday, 22 November
Overcast. High 42°, low 34°.
Pressure30.30 inHg
Wind22.7 mph NW
Humidity67%
Visibility—
Dew point29°
Mon, 2340° / 30°0
Morning33°feels 28°
Afternoon38°feels 35°
Evening34°feels 31°
Overnight32°feels 27°
40 °
Union, Monday, 23 November
Mostly clear. High 40°, low 30°.
Pressure30.39 inHg
Wind6.7 mph NW
Humidity46%
Visibility—
Dew point19°
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.