Ashburn, VA Weather Forecast

Local 7-day forecast

92°
F

Areas Of Smoke then Patchy Smoke

Track current conditions, temperature changes, wind, and the full daily outlook for Ashburn, VA in one place.

Saturday, July 18, 2026
Wind: 7 to 12 mph SW
Today

Areas of smoke and patchy fog before 1pm, then patchy smoke and a chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy. High near 92, with temperatures falling to around 85 in the afternoon. Heat index values as high as 102. Southwest wind 7 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Local 7-day forecast

Local Weather Overview

This forecast page for Ashburn, VA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 18, 2026 10:12 AM EDT.

The active forecast window currently covers Jul 18 to Jul 24, 2026 for Ashburn, VA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 24, 2026
Latest sync
Jul 18, 2026 10:12 AM EDT
Forecast office
LWX
Source
NOAA / NWS
Next High
92°F
Today
Next Low
72°F
Tonight
Rain Outlook
8
Periods mentioning precipitation
Windiest
7 to 14 mph
Tuesday

Daily Outlook

Today
Jul 18
Areas Of Smoke then Patchy Smoke
92 °F
/ 72°F
Wind 7 to 12 mph
Sun
Jul 19
Mostly Sunny
86 °F
/ 65°F
Wind 9 mph
Mon
Jul 20
Mostly Sunny then Chance Showers And Thunderstorms
85 °F
/ 68°F
Wind 3 to 7 mph
Tue
Jul 21
Showers And Thunderstorms Likely
87 °F
/ 70°F
Wind 7 to 14 mph
Wed
Jul 22
Chance Rain Showers
85 °F
/ 62°F
Wind 9 to 13 mph
Thu
Jul 23
Sunny
80 °F
/ 62°F
Wind 9 mph
Fri
Jul 24
Mostly Sunny
83 °F
/ 65°F
Wind 5 mph

This Week in Ashburn

Today looks like the warmest upcoming period in Ashburn at 92 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 62 degrees F.

The strongest winds are forecast for Tuesday at about 7 to 14 mph S.

Precipitation is mentioned in 8 upcoming forecast periods.

Forecast Details

Last updated
Jul 18, 2026 10:12 AM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
LWX
Radar station
KLWX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Jul 18
72°F
Chance Showers And Thunderstorms
5 to 9 mph W

A chance of showers and thunderstorms before 11pm, then scattered showers and thunderstorms between 11pm and midnight, then a slight chance of showers and thunderstorms between midnight and 1am. Some of the storms could be severe. Mostly cloudy, with a low around 72. West wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday
Jul 19
86°F
Mostly Sunny
9 mph NW

Mostly sunny, with a high near 86. Northwest wind around 9 mph.

Sunday Night
Jul 19
65°F
Mostly Clear
2 to 7 mph N

Mostly clear, with a low around 65. North wind 2 to 7 mph.

Monday
Jul 20
85°F
Mostly Sunny then Chance Showers And Thunderstorms
3 to 7 mph E

A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. East wind 3 to 7 mph. Chance of precipitation is 30%.

Monday Night
Jul 20
68°F
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
5 to 8 mph SE

A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.

Tuesday
Jul 21
87°F
Showers And Thunderstorms Likely
7 to 14 mph S

Showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 87. Chance of precipitation is 70%.

Tuesday Night
Jul 21
70°F
Showers And Thunderstorms
8 to 14 mph SW

Showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 80%.

Wednesday
Jul 22
85°F
Chance Rain Showers
9 to 13 mph W

A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.

Wednesday Night
Jul 22
62°F
Chance Showers And Thunderstorms
8 to 12 mph NW

A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

Thursday
Jul 23
80°F
Sunny
9 mph NW

Sunny, with a high near 80.

Thursday Night
Jul 23
62°F
Mostly Clear
1 to 6 mph NW

Mostly clear, with a low around 62.

Friday
Jul 24
83°F
Mostly Sunny
5 mph S

Mostly sunny, with a high near 83.

Friday Night
Jul 24
65°F
Partly Cloudy
5 mph SE

Partly cloudy, with a low around 65.

Detailed Forecast

Period Conditions Temp Wind
Today
Jul 18
Areas Of Smoke then Patchy Smoke
92°F
7 to 12 mph
SW
Tonight
Jul 18
Chance Showers And Thunderstorms
72°F
5 to 9 mph
W
Sunday
Jul 19
Mostly Sunny
86°F
9 mph
NW
Sunday Night
Jul 19
Mostly Clear
65°F
2 to 7 mph
N
Monday
Jul 20
Mostly Sunny then Chance Showers And Thunderstorms
85°F
3 to 7 mph
E
Monday Night
Jul 20
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
68°F
5 to 8 mph
SE
Tuesday
Jul 21
Showers And Thunderstorms Likely
87°F
7 to 14 mph
S
Tuesday Night
Jul 21
Showers And Thunderstorms
70°F
8 to 14 mph
SW
Wednesday
Jul 22
Chance Rain Showers
85°F
9 to 13 mph
W
Wednesday Night
Jul 22
Chance Showers And Thunderstorms
62°F
8 to 12 mph
NW
Thursday
Jul 23
Sunny
80°F
9 mph
NW
Thursday Night
Jul 23
Mostly Clear
62°F
1 to 6 mph
NW
Friday
Jul 24
Mostly Sunny
83°F
5 mph
S
Friday Night
Jul 24
Partly Cloudy
65°F
5 mph
SE
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.