10-day forecast for McLean, IL: 26° to 65°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Friday, November 20
38°
Worst day: Monday, November 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1549° / 27°0
Morning34°feels 30°
Afternoon49°feels 49°
Evening38°feels 38°
Overnight29°feels 29°
49 °
McLean, Sunday, 15 November
Clear. High 49°, low 27°.
Pressure30.47 inHg
Wind1 mph W
Humidity53%
Visibility6.2 mi
Dew point30°
Mon, 1653° / 31°0
Morning35°feels 31°
Afternoon53°feels 50°
Evening40°feels 37°
Overnight32°feels 32°
53 °
McLean, Monday, 16 November
Clear. High 53°, low 31°.
Pressure30.53 inHg
Wind5.5 mph SW
Humidity49%
Visibility6.2 mi
Dew point33°
Tue, 1755° / 34°0
Morning38°feels 32°
Afternoon55°feels 52°
Evening43°feels 39°
Overnight36°feels 31°
55 °
McLean, Tuesday, 17 November
Clear. High 55°, low 34°.
Pressure30.50 inHg
Wind7.9 mph S
Humidity53%
Visibility6.2 mi
Dew point37°
Wed, 1857° / 40°0
Morning44°feels 39°
Afternoon57°feels 55°
Evening49°feels 44°
Overnight41°feels 35°
57 °
McLean, Wednesday, 18 November
Overcast. High 57°, low 40°.
Pressure30.36 inHg
Wind13 mph S
Humidity52%
Visibility6.2 mi
Dew point39°
Thu, 1963° / 47°0
Morning53°feels 49°
Afternoon62°feels 60°
Evening57°feels 56°
Overnight53°feels 51°
63 °
McLean, Thursday, 19 November
Clear. High 63°, low 47°.
Pressure30.24 inHg
Wind12.6 mph SW
Humidity54%
Visibility—
Dew point44°
Fri, 2065° / 50°0
Morning53°feels 52°
Afternoon60°feels 59°
Evening57°feels 55°
Overnight55°feels 53°
65 °
McLean, Friday, 20 November
Overcast. High 65°, low 50°.
Pressure30.24 inHg
Wind11 mph S
Humidity52%
Visibility—
Dew point42°
Sat, 2165° / 51°0.02
Morning55°feels 53°
Afternoon64°feels 62°
Evening59°feels 57°
Overnight53°feels 51°
65 °
McLean, Saturday, 21 November
Light rain. High 65°, low 51°.
Pressure29.97 inHg
Wind19.3 mph S
Humidity45%
Visibility—
Dew point41°
Sun, 2254° / 34°0.05
Morning44°feels 35°
Afternoon41°feels 31°
Evening37°feels 26°
Overnight36°feels 26°
54 °
McLean, Sunday, 22 November
Light rain. High 54°, low 34°.
Pressure29.91 inHg
Wind25.8 mph W
Humidity64%
Visibility—
Dew point31°
Mon, 2338° / 26°0
Morning29°feels 19°
Afternoon36°feels 28°
Evening33°feels 25°
Overnight30°feels 20°
38 °
McLean, Monday, 23 November
Clear. High 38°, low 26°.
Pressure30.42 inHg
Wind14.9 mph NW
Humidity49%
Visibility—
Dew point18°
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.