Alderton, WA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Alderton, WA in one place.
A chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of rain. Partly sunny, with a high near 70. Southwest wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Alderton, 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 28, 2026 5:26 PM PDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Alderton, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 5:26 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Alderton
Monday looks like the warmest upcoming period in Alderton at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Wednesday at about 6 to 9 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 5:26 PM PDT
- Coverage
- 7 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
A slight chance of rain before 7pm. Mostly cloudy, with a low around 50. South southwest wind around 6 mph. Chance of precipitation is 20%.
Mostly cloudy, with a high near 73. Southwest wind around 3 mph.
Partly cloudy, with a low around 51.
Patchy fog between 7am and 8am. Mostly sunny, with a high near 77.
Partly cloudy, with a low around 54.
A chance of rain after 5pm. Partly sunny, with a high near 75.
Rain likely. Mostly cloudy, with a low around 54.
Rain. Mostly cloudy, with a high near 67.
Rain. Mostly cloudy, with a low around 50.
Rain likely. Mostly cloudy, with a high near 69.
A chance of rain before 5am. Mostly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Chance Showers And Thunderstorms
|
70°F |
7 mph
SW
|
|
Saturday Night
Aug 29
|
Slight Chance Light Rain then Mostly Cloudy
|
50°F |
6 mph
SSW
|
|
Sunday
Aug 30
|
Mostly Cloudy
|
73°F |
3 mph
SW
|
|
Sunday Night
Aug 30
|
Partly Cloudy
|
51°F |
2 mph
ENE
|
|
Monday
Aug 31
|
Patchy Fog then Mostly Sunny
|
77°F |
0 to 3 mph
NNW
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
54°F |
3 mph
WSW
|
|
Tuesday
Sep 1
|
Partly Sunny then Chance Light Rain
|
75°F |
1 to 7 mph
SW
|
|
Tuesday Night
Sep 1
|
Light Rain Likely
|
54°F |
7 mph
SW
|
|
Wednesday
Sep 2
|
Rain
|
67°F |
6 to 9 mph
S
|
|
Wednesday Night
Sep 2
|
Light Rain
|
50°F |
6 mph
S
|
|
Thursday
Sep 3
|
Light Rain Likely
|
69°F |
3 mph
SW
|
|
Thursday Night
Sep 3
|
Chance Light Rain
|
50°F |
2 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alderton.