10-day forecast for Union Grove, IL: 58° to 91°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Wednesday, August 12
71° · 1.26 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 72°0.08
Morning78°feels 79°
Afternoon89°feels 102°
Evening79°feels 79°
Overnight77°feels 78°
90 °
Union Grove, Monday, 10 August
Light rain. High 90°, low 72°.
Pressure29.88 inHg
Wind6 mph E
Humidity83%
Visibility6.2 mi
Dew point76°
Tue, 1191° / 66°0.09
Morning70°feels 71°
Afternoon90°feels 100°
Evening76°feels 78°
Overnight68°feels 69°
91 °
Union Grove, Tuesday, 11 August
Light rain. High 91°, low 66°.
Pressure29.80 inHg
Wind4.3 mph SE
Humidity78%
Visibility6.2 mi
Dew point74°
Wed, 1283° / 65°0
Morning69°feels 69°
Afternoon82°feels 86°
Evening76°feels 77°
Overnight69°feels 70°
83 °
Union Grove, Wednesday, 12 August
Light rain. High 83°, low 65°.
Pressure29.88 inHg
Wind5.7 mph NE
Humidity69%
Visibility6.2 mi
Dew point69°
Thu, 1371° / 63°1.26
Morning69°feels 70°
Afternoon68°feels 69°
Evening63°feels 64°
Overnight67°feels 67°
71 °
Union Grove, Thursday, 13 August
Heavy rain. High 71°, low 63°.
Pressure29.97 inHg
Wind13.2 mph E
Humidity96%
Visibility—
Dew point67°
Fri, 1474° / 58°0
Morning62°feels 62°
Afternoon71°feels 72°
Evening68°feels 68°
Overnight64°feels 63°
74 °
Union Grove, Friday, 14 August
Light rain. High 74°, low 58°.
Pressure30.12 inHg
Wind12.8 mph E
Humidity72%
Visibility—
Dew point61°
Sat, 1574° / 60°0.19
Morning65°feels 65°
Afternoon72°feels 73°
Evening71°feels 72°
Overnight68°feels 68°
74 °
Union Grove, Saturday, 15 August
Light rain. High 74°, low 60°.
Pressure30.15 inHg
Wind15.3 mph SE
Humidity81%
Visibility—
Dew point64°
Sun, 1674° / 66°0.29
Morning68°feels 69°
Afternoon71°feels 72°
Evening70°feels 71°
Overnight68°feels 68°
74 °
Union Grove, Sunday, 16 August
Rain. High 74°, low 66°.
Pressure30.06 inHg
Wind12.1 mph NW
Humidity82%
Visibility—
Dew point65°
Mon, 1773° / 58°0
Morning63°feels 63°
Afternoon72°feels 73°
Evening68°feels 69°
Overnight62°feels 62°
73 °
Union Grove, Monday, 17 August
Overcast. High 73°, low 58°.
Pressure30.12 inHg
Wind6.1 mph N
Humidity67%
Visibility—
Dew point59°
Tue, 1879° / 58°0
Morning64°feels 65°
Afternoon76°feels 77°
Evening76°feels 78°
Overnight69°feels 70°
79 °
Union Grove, Tuesday, 18 August
Overcast. High 79°, low 58°.
Pressure29.85 inHg
Wind9.4 mph S
Humidity71%
Visibility—
Dew point64°
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 Grove, 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.