New York, NY 76° Los Angeles, CA 83° Chicago, IL 69° 🌤️ Houston, TX Miami, FL 76° 🌤️ Phoenix, AZ 🌤️ Seattle, WA 🌤️ Denver, CO 🌤️ Toronto, ON 🌤️ Vancouver, BC
WeatherLiveVirginiaAshburn

Ashburn, VA Weather (20149)

ZIP codes: 20149 · 20147
Current WeatherAshburn · 10:41 PM EDT
94° | 63°
77°F
Feels like 78°
Sunny
WindN 5 mph · Gusts 10 mph
Precip4% · –
Humidity60% · Dew point 62°
UV index9 Very high
Air Quality47 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset6:27 AM · 8:00 PM · 13h 33m

Weather map — Ashburn

Full radar →
Now
77°
3%
5 mph
23:00
76°
4%
5 mph
00:00
75°
5%
5 mph
01:00
74°
17%
3 mph
02:00
73°
7%
2 mph
03:00
71°
8%
2 mph
04:00
72°
21%
4 mph
05:00
73°
20%
4 mph
06:00
72°
15%
4 mph
07:00
69°
12%
3 mph
08:00
71°
19%
2 mph
09:00
72°
21%
3 mph
10:00
74°
18%
3 mph
11:00
76°
16%
5 mph
12:00
82°
11%
7 mph
13:00
83°
13%
9 mph
14:00
78°
27%
10 mph
15:00
72°
30%
10 mph
16:00
71°
25%
12 mph
17:00
74°
19%
11 mph
18:00
74°
6%
10 mph
19:00
73°
14%
11 mph
20:00
69°
17%
11 mph
21:00
67°
34%
9 mph

Today · Wed 8/19

High 94°
4% / –

Sunny. Winds NW at 6 mph.

Tonight · Wed 8/19

Low 69°
4% / –

Sunny. Winds N at 5 mph.

Tomorrow · Thu 8/20

83° | 67°
45% / 0.03 in

Mostly cloudy. Winds N at 12 mph.

7-day trend

Ashburn · temperature + precipitation

10-day forecast

Updated 10:41 PM

Details & indices

Wind
5 mph N
Gusts 10 mph
Humidity
60%
Dew point 62°
Pressure
29.94 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 47 · US EPA
Allergy
Very high
Mugwort
Visibility
6 mi
Clear view
Allergy — Ashburn

🌿 Conditions right now

View all →
Birch
None
Grass
High
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Low

Sun & moon

Sunrise6:27 AM
Sunset8:00 PM
Length of day13h 33m
Moonrise1:56 PM
Moonset11:22 PM
Next full moonAug 28 Sturgeon Moon
Latitude39.0437°N
Longitude-77.4875°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Virginia Beach
🌤️
Norfolk
🌤️
Chesapeake
🌤️
Richmond
🌤️
Arlington
🌤️
Newport News
Data sources · Wednesday, August 19
Where the Ashburn forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 39.0437°N, -77.4875°.
NBM + global weather models
Updated: 10:41 PM
ZIP codes in Ashburn
📮
20146
Ashburn
📮
20147
Ashburn
📮
20148
Broadlands
📮
20149
Ashburn
Weather in Ashburn
Over the next 10 days Ashburn tops out around 94° (Wednesday) and dips to 61° on the coolest night (Friday). Models drop roughly 1.7 in of precipitation across the stretch — watch Thursday (88%). No active NWS alerts at the moment — quiet on the hazards front. Right now Ashburn is about 18° cooler than nearby Washington. Longer view: variable mid-latitude weather in every season.
Ashburn, VA · Elev 295 ft · 39.04°N, 77.49°W · Virginia · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 10:41 PM