10-day forecast for McLean, NY: 49° to 83°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Sunday, August 9
76° · 0.87 in
Worst day: Wednesday, August 12
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0983° / 65°0
Morning70°feels 71°
Afternoon81°feels 83°
Evening70°feels 70°
Overnight69°feels 70°
83 °
McLean, Sunday, 9 August
Clear. High 83°, low 65°.
Pressure30.06 inHg
Wind9.4 mph NW
Humidity64%
Visibility6.2 mi
Dew point60°
Mon, 1083° / 63°0.11
Morning69°feels 69°
Afternoon83°feels 87°
Evening70°feels 71°
Overnight64°feels 64°
83 °
McLean, Monday, 10 August
Light rain. High 83°, low 63°.
Pressure29.94 inHg
Wind7.7 mph S
Humidity77%
Visibility6.2 mi
Dew point66°
Tue, 1177° / 62°0.21
Morning65°feels 65°
Afternoon76°feels 76°
Evening69°feels 70°
Overnight65°feels 66°
77 °
McLean, Tuesday, 11 August
Rain. High 77°, low 62°.
Pressure29.91 inHg
Wind6.8 mph W
Humidity67%
Visibility6.2 mi
Dew point62°
Wed, 1276° / 62°0.87
Morning62°feels 62°
Afternoon76°feels 76°
Evening65°feels 66°
Overnight64°feels 64°
76 °
McLean, Wednesday, 12 August
Heavy rain. High 76°, low 62°.
Pressure29.77 inHg
Wind0.6 mph W
Humidity75%
Visibility6.2 mi
Dew point65°
Thu, 1365° / 56°0.03
Morning62°feels 62°
Afternoon64°feels 63°
Evening58°feels 57°
Overnight57°feels 56°
65 °
McLean, Thursday, 13 August
Light rain. High 65°, low 56°.
Pressure29.85 inHg
Wind14.2 mph NW
Humidity67%
Visibility—
Dew point53°
Fri, 1466° / 50°0.05
Morning57°feels 56°
Afternoon64°feels 64°
Evening56°feels 55°
Overnight53°feels 52°
66 °
McLean, Friday, 14 August
Light rain. High 66°, low 50°.
Pressure30.03 inHg
Wind12 mph NW
Humidity61%
Visibility—
Dew point50°
Sat, 1567° / 49°0
Morning58°feels 57°
Afternoon66°feels 65°
Evening57°feels 56°
Overnight54°feels 53°
67 °
McLean, Saturday, 15 August
Mostly clear. High 67°, low 49°.
Pressure30.18 inHg
Wind14.2 mph NW
Humidity62%
Visibility—
Dew point52°
Sun, 1670° / 50°0
Morning60°feels 59°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight56°feels 56°
70 °
McLean, Sunday, 16 August
Partly cloudy. High 70°, low 50°.
Pressure30.21 inHg
Wind4.1 mph NW
Humidity56%
Visibility—
Dew point51°
Mon, 1771° / 53°0.12
Morning62°feels 61°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight61°feels 62°
71 °
McLean, Monday, 17 August
Light rain. High 71°, low 53°.
Pressure30.06 inHg
Wind10.2 mph S
Humidity72%
Visibility—
Dew point60°
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, NY 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.