10-day forecast for Mark, IL: 59° to 91°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
90°
Best day: Monday, August 10
63° · 0.15 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0991° / 64°0.04
Morning72°feels 73°
Afternoon88°feels 101°
Evening84°feels 97°
Overnight66°feels 66°
91 °
Mark, Sunday, 9 August
Light rain. High 91°, low 64°.
Pressure29.91 inHg
Wind15.8 mph S
Humidity74%
Visibility6.2 mi
Dew point75°
Mon, 1090° / 73°0
Morning76°feels 77°
Afternoon84°feels 93°
Evening80°feels 85°
Overnight76°feels 78°
90 °
Mark, Monday, 10 August
Overcast. High 90°, low 73°.
Pressure29.88 inHg
Wind7.7 mph SW
Humidity77%
Visibility6.2 mi
Dew point73°
Tue, 1188° / 74°0
Morning76°feels 77°
Afternoon88°feels 98°
Evening81°feels 87°
Overnight74°feels 75°
88 °
Mark, Tuesday, 11 August
Light rain. High 88°, low 74°.
Pressure29.80 inHg
Wind12.6 mph SW
Humidity74%
Visibility6.2 mi
Dew point73°
Wed, 1282° / 70°0.04
Morning72°feels 74°
Afternoon80°feels 84°
Evening76°feels 78°
Overnight72°feels 74°
82 °
Mark, Wednesday, 12 August
Light rain. High 82°, low 70°.
Pressure29.88 inHg
Wind6.5 mph N
Humidity70%
Visibility6.2 mi
Dew point72°
Thu, 1376° / 62°0.09
Morning66°feels 66°
Afternoon74°feels 75°
Evening66°feels 67°
Overnight64°feels 65°
76 °
Mark, Thursday, 13 August
Light rain. High 76°, low 62°.
Pressure30.00 inHg
Wind7.3 mph E
Humidity73%
Visibility—
Dew point65°
Fri, 1476° / 60°0
Morning65°feels 65°
Afternoon75°feels 75°
Evening70°feels 71°
Overnight65°feels 65°
76 °
Mark, Friday, 14 August
Partly cloudy. High 76°, low 60°.
Pressure30.09 inHg
Wind8.1 mph E
Humidity64%
Visibility—
Dew point60°
Sat, 1563° / 60°0.15
Morning62°feels 61°
Afternoon61°feels 62°
Evening61°feels 61°
Overnight61°feels 60°
63 °
Mark, Saturday, 15 August
Light rain. High 63°, low 60°.
Pressure30.27 inHg
Wind8.7 mph E
Humidity97%
Visibility—
Dew point61°
Sun, 1673° / 59°0
Morning63°feels 63°
Afternoon67°feels 67°
Evening68°feels 69°
Overnight63°feels 63°
73 °
Mark, Sunday, 16 August
Light rain. High 73°, low 59°.
Pressure30.15 inHg
Wind6.8 mph E
Humidity77%
Visibility—
Dew point59°
Mon, 1778° / 62°0.1
Morning67°feels 67°
Afternoon77°feels 78°
Evening74°feels 75°
Overnight67°feels 67°
78 °
Mark, Monday, 17 August
Light rain. High 78°, low 62°.
Pressure30.06 inHg
Wind3.7 mph E
Humidity75%
Visibility—
Dew point66°
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 Mark, 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.