McLean, VA Weather Forecast

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McLean, VA Weather Forecast

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McLean VA weather  - Mostly Clear - 81°F
Mostly Clear
81°F
Updated 2:05 am
Feels Like 83°F
Humidity 69%
Wind NW 7 mph
Barometer  30.01 in
Dew Point 70°F
McLean VA weather  - Mostly Clear - 27°C
Mostly Clear
27°C
Updated 2:05 am
Feels Like 29°C
Humidity 69%
Wind NW 11 km/h
Barometer  101.6 kPa
Dew Point 21°C

McLean Weather Forecast

REST OF TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY
McLean, VA Weather - Rest Of Tonight Partly Cloudy McLean, VA Weather - Wednesday Chance Of T-Storm McLean, VA Weather - Wednesday Night Chance Of T-Storm McLean, VA Weather - Thursday Mostly Sunny McLean, VA Weather - Thursday Night Chance Of T-Storm McLean, VA Weather - Friday Chance Of T-Storm McLean, VA Weather - Friday Night Mostly Cloudy McLean, VA Weather - Saturday Mostly Sunny McLean, VA Weather - Saturday Night Partly Cloudy McLean, VA Weather - Sunday Sunny McLean, VA Weather - Sunday Night Mostly Clear McLean, VA Weather - Labor Day Mostly Sunny
Partly Cloudy Chance of T-Storm Chance of T-Storm Mostly Sunny Chance of T-Storm Chance of T-Storm Mostly Cloudy Mostly Sunny Partly Cloudy Sunny Mostly Clear Mostly Sunny
Lo: 75°FLo: 24°C Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C Hi: 91°FHi: 33°C
Lo: 75°FLo: 24°C Hi: 91°FHi: 33°C
Lo: 70°FLo: 21°C Hi: 85°FHi: 29°C
Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C Hi: 81°FHi: 27°C
POP: 20% POP: 50% POP: 30% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 1055 PM EDT Tue Sep 01 2026 McLean, VA Weather - WeatherWorld.com

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McLean Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 826 PM EDT Tue Sep 1 2026

Key Messages

  • 1) Daily severe weather threat through the end of the week.
  • 2) Hot and humid conditions yield possible record high minimum temperatures this week
  • 3) Decreasing heat & thunderstorm chances heading into Labor Day weekend.

Discussion

... KEY MESSAGE 1...Daily severe weather threat through the end of the week.

Aloft, upper level ridging over the Ohio River Valley slowly shifts eastward this afternoon as a shortwave trough pivots over the forecast area. At the surface, a strong low pressure ...