Arlington, WA Weather Forecast
Local 7-day forecast
Light Rain Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Arlington, WA in one place.
Rain likely and patchy fog before 5pm. Partly sunny, with a high near 68. West southwest wind 1 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Arlington, WA 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: Aug 27, 2026 1:19 PM PDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Arlington, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 1:19 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Arlington
Monday looks like the warmest upcoming period in Arlington at 71 degrees F.
Sunday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 15 mph SSE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 1:19 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 49.
Mostly cloudy, with a high near 69.
Mostly cloudy, with a low around 48.
A chance of rain after 5pm. Partly sunny, with a high near 71.
A chance of rain. Mostly cloudy, with a low around 50.
A chance of rain. Mostly cloudy, with a high near 69.
Rain likely. Mostly cloudy, with a low around 51.
Rain likely. Mostly cloudy, with a high near 66.
Rain likely. Mostly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Light Rain Likely
|
68°F |
1 to 5 mph
WSW
|
|
Saturday Night
Aug 29
|
Mostly Cloudy
|
49°F |
1 to 5 mph
NNE
|
|
Sunday
Aug 30
|
Mostly Cloudy
|
69°F |
2 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Cloudy
|
48°F |
3 mph
N
|
|
Monday
Aug 31
|
Partly Sunny then Chance Light Rain
|
71°F |
1 to 5 mph
SW
|
|
Monday Night
Aug 31
|
Chance Light Rain
|
50°F |
5 mph
SSE
|
|
Tuesday
Sep 1
|
Chance Light Rain
|
69°F |
5 mph
SSE
|
|
Tuesday Night
Sep 1
|
Light Rain Likely
|
51°F |
5 to 12 mph
SSE
|
|
Wednesday
Sep 2
|
Light Rain Likely
|
66°F |
6 to 15 mph
SSE
|
|
Wednesday Night
Sep 2
|
Light Rain Likely
|
49°F |
3 to 12 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arlington.