Live Weather & Forecast
Weather in Mclean
Virginia, United States · Real-time conditions & 3-day outlook
14°C
Feels like 13°C
58°F / Feels 55°F
Clear
Mclean, Virginia
🌙 Nighttime
Updated: 2026-04-12 06:00
Humidity
90%
Wind
23 km/h S
Wind Gust
41 km/h
Pressure
1018 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
11.2°C
Wind Degree
181°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
170.9 μg/m³
NO₂
3.9 μg/m³
O₃
95 μg/m³
SO₂
2.1 μg/m³
PM 2.5
6.4 μg/m³
PM 10
6.9 μg/m³
Today's Hourly Forecast
24-hour breakdown for Mclean, Virginia
12 AM
13°
Clear
1 AM
13°
Clear
2 AM
13°
Clear
3 AM
13°
Clear
4 AM
13°
Clear
5 AM
13°
Clear
6 AM
14°
Clear
7 AM
15°
Sunny
8 AM
16°
Sunny
9 AM
18°
Sunny
10 AM
21°
Sunny
11 AM
25°
Sunny
12 PM
26°
Sunny
1 PM
26°
Partly Cloudy
2 PM
27°
Sunny
3 PM
27°
Partly Cloudy
4 PM
26°
Sunny
5 PM
25°
Cloudy
6 PM
23°
Sunny
7 PM
22°
Overcast
8 PM
21°
Overcast
9 PM
19°
Overcast
10 PM
19°
Light rain
11 PM
18°
Overcast
3-Day Forecast
Daily overview for Mclean, Virginia
Today
Patchy rain nearby
28°
/
13°
🌧️ 62% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 36.7 km/h
🌧️ Total precip: 2.16 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:21 AM
🌇 Sunset: 07:32 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Heavy rain
23°
/
16°
🌧️ 84% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 36 km/h
🌧️ Total precip: 21.83 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:33 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Thundery outbreaks in nearby
24°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 36.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Mclean
Plan your trip to Mclean, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Mclean?
Current conditions in Mclean: Clear, temperature 14°C, humidity 90%.
What is the best time to visit Mclean?
The best time to visit Mclean is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Mclean?
Mclean is located at approximately 40.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Mclean?
The wettest period in Mclean is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Mclean?
For visits to Mclean during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Mclean in?
Mclean is located in United States, in the state of Virginia.
What are the public holidays in Mclean in 2026?
View the 2026 public holidays for Mclean on our Holidays page.
What are the GPS coordinates used for the weather forecast in Mclean?
The weather forecast for Mclean uses coordinates 40.4632, -88.8197.