Sunnyside, WA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sunnyside, WA in one place.
Sunny, with a high near 74. East northeast wind 10 to 18 mph, with gusts as high as 31 mph.
Local Weather Overview
This forecast page for Sunnyside, 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 13, 2026 7:48 PM PDT.
The active forecast window currently covers Oct 15 to Oct 19, 2026 for Sunnyside, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:48 PM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Sunnyside
Friday looks like the warmest upcoming period in Sunnyside at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Thursday Night at about 15 to 21 mph ENE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:48 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PQR
- Radar station
- KRTX
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 55.
Sunny, with a high near 77.
A chance of rain after 5am. Partly cloudy, with a low around 49.
A chance of rain before 5pm. Partly sunny, with a high near 62.
Partly cloudy, with a low around 41.
A slight chance of rain after 5pm. Partly sunny, with a high near 62.
Rain likely. Mostly cloudy, with a low around 44.
Rain likely. Mostly cloudy, with a high near 54.
Rain likely. Mostly cloudy, with a low around 43.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Sunny
|
74°F |
10 to 18 mph
ENE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
55°F |
15 to 21 mph
ENE
|
|
Friday
Oct 16
|
Sunny
|
77°F |
2 to 15 mph
ENE
|
|
Friday Night
Oct 16
|
Partly Cloudy then Chance Light Rain
|
49°F |
2 mph
ESE
|
|
Saturday
Oct 17
|
Chance Light Rain
|
62°F |
3 mph
WSW
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
41°F |
3 mph
NNE
|
|
Sunday
Oct 18
|
Partly Sunny then Slight Chance Light Rain
|
62°F |
2 mph
SW
|
|
Sunday Night
Oct 18
|
Light Rain Likely
|
44°F |
5 mph
SSE
|
|
Monday
Oct 19
|
Light Rain Likely
|
54°F |
3 mph
S
|
|
Monday Night
Oct 19
|
Light Rain Likely
|
43°F |
3 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sunnyside.
