10-day forecast for Old Mill Creek, IL: 62° to 87°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Wednesday, August 12
78° · 1.11 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 72°0.24
Morning75°feels 77°
Afternoon86°feels 97°
Evening77°feels 79°
Overnight72°feels 74°
87 °
Old Mill Creek, Monday, 10 August
Rain. High 87°, low 72°.
Pressure29.91 inHg
Wind3.9 mph E
Humidity79%
Visibility6.2 mi
Dew point71°
Tue, 1183° / 68°0.37
Morning71°feels 73°
Afternoon75°feels 76°
Evening73°feels 74°
Overnight71°feels 72°
83 °
Old Mill Creek, Tuesday, 11 August
Heavy rain. High 83°, low 68°.
Pressure29.85 inHg
Wind14.1 mph E
Humidity96%
Visibility6.2 mi
Dew point66°
Wed, 1280° / 64°0
Morning69°feels 70°
Afternoon80°feels 80°
Evening70°feels 70°
Overnight66°feels 67°
80 °
Old Mill Creek, Wednesday, 12 August
Overcast. High 80°, low 64°.
Pressure29.91 inHg
Wind4.2 mph NE
Humidity70%
Visibility6.2 mi
Dew point67°
Thu, 1380° / 64°0
Morning70°feels 70°
Afternoon79°feels 79°
Evening72°feels 73°
Overnight67°feels 67°
80 °
Old Mill Creek, Thursday, 13 August
Overcast. High 80°, low 64°.
Pressure29.97 inHg
Wind7.7 mph SE
Humidity49%
Visibility6.2 mi
Dew point58°
Fri, 1475° / 66°0.04
Morning68°feels 69°
Afternoon71°feels 72°
Evening70°feels 71°
Overnight67°feels 68°
75 °
Old Mill Creek, Friday, 14 August
Light rain. High 75°, low 66°.
Pressure30.06 inHg
Wind10.4 mph E
Humidity86%
Visibility—
Dew point67°
Sat, 1587° / 69°0.53
Morning73°feels 75°
Afternoon82°feels 87°
Evening82°feels 90°
Overnight75°feels 77°
87 °
Old Mill Creek, Saturday, 15 August
Rain. High 87°, low 69°.
Pressure29.91 inHg
Wind13.3 mph SE
Humidity75%
Visibility—
Dew point71°
Sun, 1676° / 65°0
Morning69°feels 70°
Afternoon71°feels 71°
Evening67°feels 68°
Overnight65°feels 66°
76 °
Old Mill Creek, Sunday, 16 August
Overcast. High 76°, low 65°.
Pressure29.97 inHg
Wind15.6 mph NW
Humidity78%
Visibility—
Dew point64°
Mon, 1772° / 62°0.3
Morning65°feels 65°
Afternoon67°feels 68°
Evening68°feels 69°
Overnight68°feels 69°
72 °
Old Mill Creek, Monday, 17 August
Rain. High 72°, low 62°.
Pressure30.00 inHg
Wind11.9 mph SE
Humidity91%
Visibility—
Dew point64°
Tue, 1885° / 70°0.15
Morning73°feels 76°
Afternoon82°feels 86°
Evening77°feels 79°
Overnight71°feels 72°
85 °
Old Mill Creek, Tuesday, 18 August
Light rain. High 85°, low 70°.
Pressure29.83 inHg
Wind13.3 mph W
Humidity66%
Visibility—
Dew point69°
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 Old Mill Creek, 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.