Arlington County, VA Weather Forecast
County weather hub
Scattered Rain Showers then Partly Sunny
Compare major city weather across Arlington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Scattered rain showers before 9am. Partly sunny, with a high near 53. North wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
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
- Oct 17 to Oct 22, 2026
- Latest sync
- Oct 16, 2026 5:37 PM EDT
- Forecast office
- LWX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arlington County
Tuesday looks like the warmest upcoming period in Arlington County at 63 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 15 to 18 mph N.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 16, 2026 5:37 PM EDT
- Coverage
- 6 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 37. North wind 7 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 55. North wind around 9 mph.
Mostly clear, with a low around 41.
A chance of rain showers after 8am. Mostly sunny, with a high near 57. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
A slight chance of rain showers. Mostly sunny, with a high near 63. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 50. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly sunny, with a high near 63. Chance of precipitation is 20%.
A slight chance of rain showers. Partly cloudy, with a low around 50. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly sunny, with a high near 61. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 17
|
Scattered Rain Showers then Partly Sunny
|
53°F |
15 to 18 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
37°F |
7 to 15 mph
N
|
|
Sunday
Oct 18
|
Sunny
|
55°F |
9 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
41°F |
5 to 12 mph
NE
|
|
Monday
Oct 19
|
Chance Rain Showers
|
57°F |
13 mph
N
|
|
Monday Night
Oct 19
|
Chance Rain Showers
|
46°F |
10 to 14 mph
N
|
|
Tuesday
Oct 20
|
Slight Chance Rain Showers
|
63°F |
14 mph
N
|
|
Tuesday Night
Oct 20
|
Slight Chance Rain Showers
|
50°F |
12 mph
N
|
|
Wednesday
Oct 21
|
Slight Chance Rain Showers
|
63°F |
13 mph
N
|
|
Wednesday Night
Oct 21
|
Slight Chance Rain Showers
|
50°F |
10 mph
NE
|
|
Thursday
Oct 22
|
Slight Chance Rain Showers
|
61°F |
10 mph
N
|
|
Thursday Night
Oct 22
|
Slight Chance Rain Showers
|
50°F |
8 mph
N
|
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.
