10-day forecast for Union, IL: 32° to 69°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Sunday, November 8
63° · 0.56 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 0463° / 53°0.56
Morning61°feels 62°
Afternoon58°feels 57°
Evening54°feels 53°
Overnight63°feels 63°
63 °
Union, Wednesday, 4 November
Rain. High 63°, low 53°.
Pressure29.59 inHg
Wind17 mph SW
Humidity72%
Visibility6.2 mi
Dew point52°
Thu, 0554° / 47°0.05
Morning50°feels 49°
Afternoon54°feels 53°
Evening50°feels 49°
Overnight52°feels 50°
54 °
Union, Thursday, 5 November
Light rain. High 54°, low 47°.
Pressure29.74 inHg
Wind14.3 mph SW
Humidity76%
Visibility6.2 mi
Dew point46°
Fri, 0647° / 41°0.03
Morning44°feels 37°
Afternoon45°feels 41°
Evening42°feels 39°
Overnight45°feels 39°
47 °
Union, Friday, 6 November
Light rain. High 47°, low 41°.
Pressure30.06 inHg
Wind10.5 mph N
Humidity62%
Visibility6.2 mi
Dew point34°
Sat, 0747° / 32°0
Morning36°feels 32°
Afternoon45°feels 41°
Evening40°feels 36°
Overnight36°feels 33°
47 °
Union, Saturday, 7 November
Clear. High 47°, low 32°.
Pressure30.15 inHg
Wind9.2 mph W
Humidity56%
Visibility—
Dew point29°
Sun, 0858° / 39°0
Morning44°feels 40°
Afternoon55°feels 53°
Evening47°feels 45°
Overnight42°feels 39°
58 °
Union, Sunday, 8 November
Clear. High 58°, low 39°.
Pressure30.06 inHg
Wind7.7 mph W
Humidity63%
Visibility—
Dew point41°
Mon, 0955° / 37°0
Morning41°feels 40°
Afternoon52°feels 49°
Evening47°feels 44°
Overnight45°feels 42°
55 °
Union, Monday, 9 November
Clear. High 55°, low 37°.
Pressure30.06 inHg
Wind7 mph SW
Humidity43%
Visibility—
Dew point29°
Tue, 1057° / 45°0
Morning48°feels 46°
Afternoon55°feels 53°
Evening47°feels 46°
Overnight46°feels 44°
57 °
Union, Tuesday, 10 November
Overcast. High 57°, low 45°.
Pressure30.06 inHg
Wind8.8 mph N
Humidity42%
Visibility—
Dew point32°
Wed, 1157° / 43°0
Morning47°feels 45°
Afternoon55°feels 51°
Evening47°feels 44°
Overnight43°feels 39°
57 °
Union, Wednesday, 11 November
Overcast. High 57°, low 43°.
Pressure29.97 inHg
Wind6.7 mph NE
Humidity28%
Visibility—
Dew point22°
Thu, 1247° / 36°0
Morning40°feels 35°
Afternoon46°feels 41°
Evening39°feels 33°
Overnight36°feels 30°
47 °
Union, Thursday, 12 November
Overcast. High 47°, low 36°.
Pressure30.12 inHg
Wind10.8 mph NE
Humidity57%
Visibility—
Dew point31°
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, IL 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.