10-day forecast for Clarksville, IL: 57° to 94°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Monday, August 10
70° · 2.03 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1094° / 75°0
Morning78°feels 80°
Afternoon92°feels 105°
Evening77°feels 79°
Overnight80°feels 80°
94 °
Clarksville, Monday, 10 August
Light rain. High 94°, low 75°.
Pressure29.91 inHg
Wind11.4 mph W
Humidity72%
Visibility6.2 mi
Dew point75°
Tue, 1190° / 70°0.07
Morning72°feels 73°
Afternoon90°feels 103°
Evening81°feels 87°
Overnight74°feels 75°
90 °
Clarksville, Tuesday, 11 August
Light rain. High 90°, low 70°.
Pressure29.85 inHg
Wind12.9 mph SW
Humidity72%
Visibility6.2 mi
Dew point74°
Wed, 1281° / 72°0.56
Morning75°feels 76°
Afternoon80°feels 84°
Evening75°feels 76°
Overnight74°feels 76°
81 °
Clarksville, Wednesday, 12 August
Rain. High 81°, low 72°.
Pressure29.83 inHg
Wind5.5 mph N
Humidity93%
Visibility6.2 mi
Dew point70°
Thu, 1379° / 62°0.09
Morning69°feels 69°
Afternoon77°feels 77°
Evening65°feels 66°
Overnight66°feels 67°
79 °
Clarksville, Thursday, 13 August
Light rain. High 79°, low 62°.
Pressure29.97 inHg
Wind9 mph NE
Humidity67%
Visibility—
Dew point65°
Fri, 1470° / 57°2.03
Morning61°feels 61°
Afternoon66°feels 66°
Evening67°feels 68°
Overnight64°feels 64°
70 °
Clarksville, Friday, 14 August
Heavy rain. High 70°, low 57°.
Pressure30.15 inHg
Wind12.8 mph E
Humidity76%
Visibility—
Dew point57°
Sat, 1574° / 60°0.04
Morning63°feels 64°
Afternoon72°feels 72°
Evening69°feels 70°
Overnight65°feels 66°
74 °
Clarksville, Saturday, 15 August
Light rain. High 74°, low 60°.
Pressure30.21 inHg
Wind13 mph SE
Humidity76%
Visibility—
Dew point62°
Sun, 1679° / 63°0.03
Morning67°feels 68°
Afternoon77°feels 78°
Evening73°feels 75°
Overnight68°feels 69°
79 °
Clarksville, Sunday, 16 August
Light rain. High 79°, low 63°.
Pressure30.06 inHg
Wind7.7 mph SE
Humidity81%
Visibility—
Dew point69°
Mon, 1780° / 65°0
Morning69°feels 69°
Afternoon79°feels 79°
Evening75°feels 76°
Overnight69°feels 69°
80 °
Clarksville, Monday, 17 August
Light rain. High 80°, low 65°.
Pressure30.09 inHg
Wind4.6 mph NE
Humidity70%
Visibility—
Dew point66°
Tue, 1880° / 66°0
Morning70°feels 70°
Afternoon78°feels 79°
Evening74°feels 76°
Overnight69°feels 70°
80 °
Clarksville, Tuesday, 18 August
Partly cloudy. High 80°, low 66°.
Pressure30.03 inHg
Wind8.8 mph SE
Humidity76%
Visibility—
Dew point68°
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 Clarksville, 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.