Arlington County, VA Weather Forecast
County weather hub
Sunny
Compare major city weather across Arlington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 70. Northwest wind around 9 mph.
County Weather Overview
This county weather page brings together forecast coverage for Arlington County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Arlington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:32 PM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arlington County
Wednesday looks like the warmest upcoming period in Arlington County at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Monday at about 13 mph SW.
The forecast from Apr 11 through Apr 15 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 3:32 PM EDT
- Coverage
- 5 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 sourceExtended Forecast
Mostly clear, with a low around 49.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 59.
Partly sunny, with a high near 83.
Mostly cloudy, with a low around 65.
Mostly sunny, with a high near 89.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 92.
Mostly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
70°F |
9 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
49°F |
3 to 7 mph
NE
|
|
Sunday
Apr 12
|
Mostly Sunny
|
73°F |
3 to 12 mph
SE
|
|
Sunday Night
Apr 12
|
Partly Cloudy
|
59°F |
12 mph
S
|
|
Monday
Apr 13
|
Partly Sunny
|
83°F |
13 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
65°F |
6 to 12 mph
SW
|
|
Tuesday
Apr 14
|
Mostly Sunny
|
89°F |
6 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
69°F |
6 to 9 mph
SW
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
92°F |
6 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Mostly Cloudy
|
67°F |
6 to 10 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Arlington County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Arlington County.
Largest mapped city population in this region: 229,164.
