10-day forecast for Knox, IL: 59° to 94°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Sunday, August 9
67° · 0.26 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 73°0
Morning76°feels 77°
Afternoon87°feels 95°
Evening82°feels 88°
Overnight78°feels 79°
89 °
Knox, Monday, 10 August
Overcast. High 89°, low 73°.
Pressure29.88 inHg
Wind6.6 mph SW
Humidity71%
Visibility6.2 mi
Dew point72°
Tue, 1191° / 74°0
Morning77°feels 77°
Afternoon88°feels 95°
Evening82°feels 87°
Overnight78°feels 79°
91 °
Knox, Tuesday, 11 August
Overcast. High 91°, low 74°.
Pressure29.80 inHg
Wind10.5 mph SW
Humidity73%
Visibility6.2 mi
Dew point69°
Wed, 1284° / 70°0.09
Morning75°feels 76°
Afternoon78°feels 80°
Evening74°feels 75°
Overnight74°feels 75°
84 °
Knox, Wednesday, 12 August
Light rain. High 84°, low 70°.
Pressure29.88 inHg
Wind5.6 mph N
Humidity69%
Visibility6.2 mi
Dew point72°
Thu, 1374° / 65°0.02
Morning67°feels 68°
Afternoon73°feels 73°
Evening67°feels 68°
Overnight66°feels 66°
74 °
Knox, Thursday, 13 August
Light rain. High 74°, low 65°.
Pressure29.97 inHg
Wind12 mph NE
Humidity75%
Visibility—
Dew point64°
Fri, 1478° / 61°0
Morning66°feels 66°
Afternoon76°feels 76°
Evening71°feels 71°
Overnight67°feels 67°
78 °
Knox, Friday, 14 August
Overcast. High 78°, low 61°.
Pressure30.09 inHg
Wind12.1 mph E
Humidity64%
Visibility—
Dew point61°
Sat, 1567° / 59°0.26
Morning62°feels 62°
Afternoon62°feels 62°
Evening65°feels 65°
Overnight62°feels 62°
67 °
Knox, Saturday, 15 August
Rain. High 67°, low 59°.
Pressure30.24 inHg
Wind12.1 mph E
Humidity86%
Visibility—
Dew point57°
Sun, 1675° / 59°0.04
Morning61°feels 62°
Afternoon68°feels 68°
Evening71°feels 72°
Overnight64°feels 65°
75 °
Knox, Sunday, 16 August
Light rain. High 75°, low 59°.
Pressure30.12 inHg
Wind8.6 mph SE
Humidity84%
Visibility—
Dew point61°
Mon, 1779° / 64°0.01
Morning69°feels 69°
Afternoon78°feels 79°
Evening76°feels 77°
Overnight67°feels 68°
79 °
Knox, Monday, 17 August
Light rain. High 79°, low 64°.
Pressure30.06 inHg
Wind4.3 mph NE
Humidity73%
Visibility—
Dew point67°
Tue, 1884° / 65°0
Morning70°feels 71°
Afternoon81°feels 84°
Evening79°feels 79°
Overnight71°feels 72°
84 °
Knox, Tuesday, 18 August
Overcast. High 84°, low 65°.
Pressure30.00 inHg
Wind8.5 mph S
Humidity64%
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 Knox, 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.