Allyn, WA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Allyn, WA in one place.
A chance of rain before 11am, then showers and thunderstorms between 11am and 5pm, then rain likely. Mostly cloudy, with a high near 50. West southwest wind 2 to 10 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Allyn, 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 Allyn, 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 Allyn
Saturday looks like the warmest upcoming period in Allyn at 62 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 10 mph WSW.
Precipitation is mentioned in 8 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
Rain likely before 11pm. Partly cloudy, with a low around 33. West southwest wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 55. Southwest wind 2 to 8 mph.
Partly cloudy, with a low around 37.
Partly sunny, with a high near 56.
Mostly cloudy, with a low around 40.
A chance of rain after 11am. Mostly cloudy, with a high near 62.
Rain likely. Mostly cloudy, with a low around 46.
Rain likely. Mostly cloudy, with a high near 59.
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
|
50°F |
2 to 10 mph
WSW
|
|
Wednesday Night
Apr 15
|
Light Rain Likely then Partly Cloudy
|
33°F |
1 to 6 mph
WSW
|
|
Thursday
Apr 16
|
Mostly Sunny
|
55°F |
2 to 8 mph
SW
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
37°F |
1 to 8 mph
SSW
|
|
Friday
Apr 17
|
Partly Sunny
|
56°F |
3 mph
SSE
|
|
Friday Night
Apr 17
|
Mostly Cloudy
|
40°F |
2 mph
NNE
|
|
Saturday
Apr 18
|
Chance Light Rain
|
62°F |
1 to 5 mph
SE
|
|
Saturday Night
Apr 18
|
Light Rain Likely
|
46°F |
5 mph
W
|
|
Sunday
Apr 19
|
Light Rain Likely
|
59°F |
3 to 7 mph
SSW
|
|
Sunday Night
Apr 19
|
Chance Light Rain
|
44°F |
2 to 7 mph
WSW
|
|
Monday
Apr 20
|
Chance Light Rain
|
60°F |
2 to 7 mph
S
|
|
Monday Night
Apr 20
|
Chance Light Rain
|
43°F |
2 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Allyn.