10-day forecast for McLean, IL: 28° to 66°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Tuesday, November 10
62° · 0.29 in
Worst day: Wednesday, November 11
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1162° / 42°0.29
Morning51°feels 50°
Afternoon58°feels 57°
Evening47°feels 42°
Overnight43°feels 40°
62 °
McLean, Wednesday, 11 November
Heavy rain. High 62°, low 42°.
Pressure29.74 inHg
Wind9.3 mph W
Humidity90%
Visibility2.5 mi
Dew point54°
Thu, 1246° / 36°0
Morning43°feels 37°
Afternoon45°feels 37°
Evening37°feels 31°
Overnight43°feels 38°
46 °
McLean, Thursday, 12 November
Light rain. High 46°, low 36°.
Pressure29.97 inHg
Wind15.6 mph N
Humidity54%
Visibility6.2 mi
Dew point27°
Fri, 1342° / 33°0
Morning35°feels 27°
Afternoon41°feels 35°
Evening38°feels 32°
Overnight34°feels 26°
42 °
McLean, Friday, 13 November
Overcast. High 42°, low 33°.
Pressure30.09 inHg
Wind11.2 mph N
Humidity69%
Visibility6.2 mi
Dew point25°
Sat, 1444° / 29°0
Morning33°feels 29°
Afternoon42°feels 40°
Evening36°feels 36°
Overnight32°feels 31°
44 °
McLean, Saturday, 14 November
Clear. High 44°, low 29°.
Pressure30.24 inHg
Wind5 mph NW
Humidity60%
Visibility—
Dew point28°
Sun, 1547° / 28°0
Morning33°feels 30°
Afternoon46°feels 44°
Evening40°feels 36°
Overnight37°feels 32°
47 °
McLean, Sunday, 15 November
Mostly clear. High 47°, low 28°.
Pressure30.36 inHg
Wind6.4 mph E
Humidity51%
Visibility—
Dew point27°
Mon, 1650° / 34°0
Morning38°feels 34°
Afternoon48°feels 45°
Evening42°feels 38°
Overnight39°feels 34°
50 °
McLean, Monday, 16 November
Partly cloudy. High 50°, low 34°.
Pressure30.42 inHg
Wind6.9 mph E
Humidity42%
Visibility—
Dew point25°
Tue, 1752° / 35°0
Morning39°feels 34°
Afternoon49°feels 46°
Evening43°feels 39°
Overnight40°feels 35°
52 °
McLean, Tuesday, 17 November
Clear. High 52°, low 35°.
Pressure30.47 inHg
Wind7.5 mph SE
Humidity44%
Visibility—
Dew point27°
Wed, 1855° / 35°0
Morning40°feels 35°
Afternoon52°feels 48°
Evening46°feels 42°
Overnight42°feels 37°
55 °
McLean, Wednesday, 18 November
Clear. High 55°, low 35°.
Pressure30.39 inHg
Wind11 mph S
Humidity38%
Visibility—
Dew point26°
Thu, 1960° / 42°0
Morning46°feels 42°
Afternoon57°feels 54°
Evening51°feels 49°
Overnight48°feels 44°
60 °
McLean, Thursday, 19 November
Overcast. High 60°, low 42°.
Pressure30.33 inHg
Wind12.8 mph S
Humidity42%
Visibility—
Dew point33°
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 McLean, 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.