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 88.
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: Jul 12, 2026 12:22 AM PDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Sunnyside, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 12:22 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Sunnyside
Friday looks like the warmest upcoming period in Sunnyside at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Wednesday at about 1 to 12 mph WNW.
The forecast from Jul 14 through Jul 18 stays mostly dry.
Forecast Details
- Last updated
- Jul 12, 2026 12:22 AM PDT
- Coverage
- 5 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 57.
Sunny, with a high near 87.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 82.
Mostly clear, with a low around 55.
Sunny, with a high near 89.
Mostly clear, with a low around 57.
Sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
0 to 8 mph
NW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
57°F |
1 to 9 mph
NW
|
|
Wednesday
Jul 15
|
Sunny
|
87°F |
1 to 12 mph
WNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
55°F |
2 to 12 mph
WNW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
82°F |
2 to 9 mph
W
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
55°F |
2 to 9 mph
NNW
|
|
Friday
Jul 17
|
Sunny
|
89°F |
2 to 9 mph
NW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
57°F |
1 to 9 mph
NNW
|
|
Saturday
Jul 18
|
Sunny
|
88°F |
1 to 8 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sunnyside.