10-day forecast for Union, IL: 38° to 70°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Sunday, November 1
70° · 0.49 in
Worst day: Tuesday, November 3
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0264° / 54°0.19
Morning57°feels 56°
Afternoon61°feels 61°
Evening60°feels 60°
Overnight55°feels 54°
64 °
Union, Monday, 2 November
Rain. High 64°, low 54°.
Pressure30.00 inHg
Wind14 mph S
Humidity76%
Visibility6.2 mi
Dew point53°
Tue, 0370° / 63°0.49
Morning64°feels 64°
Afternoon67°feels 68°
Evening65°feels 65°
Overnight63°feels 63°
70 °
Union, Tuesday, 3 November
Rain. High 70°, low 63°.
Pressure29.77 inHg
Wind17.4 mph S
Humidity77%
Visibility3.3 mi
Dew point62°
Wed, 0464° / 53°0.31
Morning57°feels 57°
Afternoon56°feels 55°
Evening54°feels 52°
Overnight63°feels 63°
64 °
Union, Wednesday, 4 November
Rain. High 64°, low 53°.
Pressure29.62 inHg
Wind14.5 mph SW
Humidity70%
Visibility6.2 mi
Dew point47°
Thu, 0554° / 50°0.08
Morning52°feels 50°
Afternoon54°feels 53°
Evening51°feels 50°
Overnight51°feels 49°
54 °
Union, Thursday, 5 November
Light rain. High 54°, low 50°.
Pressure29.71 inHg
Wind14.5 mph N
Humidity76%
Visibility—
Dew point46°
Fri, 0649° / 45°0.04
Morning47°feels 43°
Afternoon49°feels 45°
Evening46°feels 42°
Overnight46°feels 41°
49 °
Union, Friday, 6 November
Light rain. High 49°, low 45°.
Pressure30.12 inHg
Wind13.5 mph N
Humidity61%
Visibility—
Dew point36°
Sat, 0751° / 42°0
Morning45°feels 41°
Afternoon48°feels 45°
Evening48°feels 45°
Overnight47°feels 43°
51 °
Union, Saturday, 7 November
Overcast. High 51°, low 42°.
Pressure29.71 inHg
Wind8.5 mph NW
Humidity79%
Visibility—
Dew point41°
Sun, 0852° / 41°0
Morning44°feels 38°
Afternoon50°feels 47°
Evening45°feels 41°
Overnight43°feels 38°
52 °
Union, Sunday, 8 November
Partly cloudy. High 52°, low 41°.
Pressure29.74 inHg
Wind14.7 mph NW
Humidity54%
Visibility—
Dew point33°
Mon, 0952° / 38°0
Morning41°feels 37°
Afternoon49°feels 47°
Evening45°feels 41°
Overnight42°feels 38°
52 °
Union, Monday, 9 November
Mostly clear. High 52°, low 38°.
Pressure29.88 inHg
Wind9.1 mph W
Humidity59%
Visibility—
Dew point35°
Tue, 1055° / 40°0
Morning44°feels 40°
Afternoon54°feels 51°
Evening45°feels 41°
Overnight41°feels 37°
55 °
Union, Tuesday, 10 November
Overcast. High 55°, low 40°.
Pressure29.97 inHg
Wind16.9 mph W
Humidity38%
Visibility—
Dew point28°
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.