10-day forecast for Lake Catherine, IL: 59° to 87°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Wednesday, August 12
83° · 1 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 71°0.33
Morning74°feels 76°
Afternoon87°feels 92°
Evening76°feels 78°
Overnight76°feels 77°
87 °
Lake Catherine, Monday, 10 August
Rain. High 87°, low 71°.
Pressure29.91 inHg
Wind4.2 mph NE
Humidity67%
Visibility6.2 mi
Dew point70°
Tue, 1183° / 65°1
Morning70°feels 71°
Afternoon70°feels 72°
Evening68°feels 69°
Overnight67°feels 67°
83 °
Lake Catherine, Tuesday, 11 August
Heavy rain. High 83°, low 65°.
Pressure29.83 inHg
Wind5.6 mph SE
Humidity61%
Visibility6.2 mi
Dew point69°
Wed, 1284° / 63°0
Morning68°feels 69°
Afternoon84°feels 87°
Evening69°feels 70°
Overnight64°feels 64°
84 °
Lake Catherine, Wednesday, 12 August
Clear. High 84°, low 63°.
Pressure29.85 inHg
Wind5 mph NW
Humidity64%
Visibility6.2 mi
Dew point67°
Thu, 1373° / 60°0.01
Morning68°feels 69°
Afternoon71°feels 71°
Evening66°feels 66°
Overnight64°feels 64°
73 °
Lake Catherine, Thursday, 13 August
Light rain. High 73°, low 60°.
Pressure29.97 inHg
Wind8.5 mph E
Humidity73%
Visibility—
Dew point62°
Fri, 1472° / 59°0
Morning64°feels 63°
Afternoon71°feels 71°
Evening64°feels 64°
Overnight59°feels 58°
72 °
Lake Catherine, Friday, 14 August
Partly cloudy. High 72°, low 59°.
Pressure30.18 inHg
Wind13.6 mph E
Humidity54%
Visibility—
Dew point53°
Sat, 1573° / 60°0.05
Morning67°feels 67°
Afternoon71°feels 71°
Evening67°feels 67°
Overnight65°feels 65°
73 °
Lake Catherine, Saturday, 15 August
Light rain. High 73°, low 60°.
Pressure30.21 inHg
Wind15.7 mph SE
Humidity58%
Visibility—
Dew point56°
Sun, 1673° / 64°0.08
Morning67°feels 68°
Afternoon72°feels 72°
Evening67°feels 68°
Overnight64°feels 65°
73 °
Lake Catherine, Sunday, 16 August
Light rain. High 73°, low 64°.
Pressure30.00 inHg
Wind13 mph NW
Humidity81%
Visibility—
Dew point65°
Mon, 1778° / 61°0
Morning65°feels 65°
Afternoon74°feels 74°
Evening69°feels 70°
Overnight62°feels 62°
78 °
Lake Catherine, Monday, 17 August
Overcast. High 78°, low 61°.
Pressure30.09 inHg
Wind6.9 mph N
Humidity57%
Visibility—
Dew point57°
Tue, 1877° / 59°0
Morning62°feels 62°
Afternoon68°feels 68°
Evening73°feels 74°
Overnight65°feels 66°
77 °
Lake Catherine, Tuesday, 18 August
Overcast. High 77°, low 59°.
Pressure29.91 inHg
Wind8.1 mph S
Humidity77%
Visibility—
Dew point58°
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 Lake Catherine, 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.