Alderton, WA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Alderton, WA in one place.
A chance of rain between 8am and 11am, then showers and thunderstorms. Mostly cloudy, with a high near 48. Southwest wind 2 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half 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: Apr 14, 2026 3:35 PM PDT.
The active forecast window currently covers Apr 15 to Apr 20, 2026 for Alderton, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 3:35 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Alderton
Saturday looks like the warmest upcoming period in Alderton at 64 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 8 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 3:35 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
Showers and thunderstorms before 8pm, then rain between 8pm and 9pm, then rain and snow between 9pm and 11pm. Mostly cloudy, with a low around 33. South southwest wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain after 5pm. Mostly sunny, with a high near 54. South southwest wind 2 to 6 mph. Chance of precipitation is 20%.
A slight chance of rain before 11pm. Partly cloudy, with a low around 37. Chance of precipitation is 20%.
Partly sunny, with a high near 56.
Mostly cloudy, with a low around 38.
A chance of rain after 5pm. Mostly cloudy, with a high near 64.
Rain likely. Mostly cloudy, with a low around 46.
Rain likely. Mostly cloudy, with a high near 62.
A chance of rain. Mostly cloudy, with a low around 44.
A chance of rain. Partly sunny, with a high near 60.
A chance of rain. Mostly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Showers And Thunderstorms
|
48°F |
2 to 8 mph
SW
|
|
Wednesday Night
Apr 15
|
Rain And Snow then Mostly Cloudy
|
33°F |
2 to 6 mph
SSW
|
|
Thursday
Apr 16
|
Mostly Sunny then Slight Chance Light Rain
|
54°F |
2 to 6 mph
SSW
|
|
Thursday Night
Apr 16
|
Slight Chance Light Rain then Partly Cloudy
|
37°F |
2 to 6 mph
SSW
|
|
Friday
Apr 17
|
Partly Sunny
|
56°F |
2 mph
WSW
|
|
Friday Night
Apr 17
|
Mostly Cloudy
|
38°F |
2 mph
NE
|
|
Saturday
Apr 18
|
Mostly Cloudy then Chance Light Rain
|
64°F |
3 mph
W
|
|
Saturday Night
Apr 18
|
Light Rain Likely
|
46°F |
3 mph
SE
|
|
Sunday
Apr 19
|
Light Rain Likely
|
62°F |
5 mph
SSW
|
|
Sunday Night
Apr 19
|
Chance Light Rain
|
44°F |
5 mph
SSW
|
|
Monday
Apr 20
|
Chance Light Rain
|
60°F |
2 to 6 mph
NNW
|
|
Monday Night
Apr 20
|
Chance Light Rain
|
43°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alderton.