Arlington Heights, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Arlington Heights, WA in one place.
Mostly sunny, with a high near 73. North wind 0 to 3 mph.
Local Weather Overview
This forecast page for Arlington Heights, 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: Oct 14, 2026 2:54 AM PDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Arlington Heights, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 2:54 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Arlington Heights
Friday looks like the warmest upcoming period in Arlington Heights at 75 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Thursday Night at about 1 to 9 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 2:54 AM 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 clear, with a low around 49. North wind 1 to 9 mph.
Mostly sunny, with a high near 75.
Rain after 11pm. Mostly cloudy, with a low around 51.
Rain before 5pm. Mostly cloudy, with a high near 60.
Partly cloudy, with a low around 37.
Partly sunny, with a high near 59.
A chance of rain after 11pm. Mostly cloudy, with a low around 41.
A chance of rain. Cloudy, with a high near 57.
A chance of rain. Mostly cloudy, with a low around 40.
A slight chance of rain before 5pm. Partly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
73°F |
0 to 3 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
49°F |
1 to 9 mph
N
|
|
Friday
Oct 16
|
Mostly Sunny
|
75°F |
0 to 7 mph
SE
|
|
Friday Night
Oct 16
|
Light Rain
|
51°F |
0 to 7 mph
SSE
|
|
Saturday
Oct 17
|
Light Rain
|
60°F |
1 to 5 mph
SW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
37°F |
3 mph
NE
|
|
Sunday
Oct 18
|
Partly Sunny
|
59°F |
2 mph
N
|
|
Sunday Night
Oct 18
|
Chance Light Rain
|
41°F |
3 mph
E
|
|
Monday
Oct 19
|
Chance Light Rain
|
57°F |
3 mph
SSE
|
|
Monday Night
Oct 19
|
Chance Light Rain
|
40°F |
3 mph
ESE
|
|
Tuesday
Oct 20
|
Slight Chance Light Rain
|
57°F |
2 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arlington Heights.