Sunnyside, WA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sunnyside, WA in one place.
Partly sunny, with a high near 65.
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: May 27, 2026 10:40 PM PDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Sunnyside, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 10:40 PM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Sunnyside
Tuesday looks like the warmest upcoming period in Sunnyside at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Tuesday at about 9 to 18 mph NE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 10:40 PM 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
Partly cloudy, with a low around 43.
Mostly sunny, with a high near 71.
Mostly clear, with a low around 46.
Sunny, with a high near 84.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 89.
A slight chance of rain after 5am. Partly cloudy, with a low around 59.
A slight chance of rain before 5pm. Mostly sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
65°F |
1 to 14 mph
W
|
|
Saturday Night
May 30
|
Partly Cloudy
|
43°F |
1 to 17 mph
WNW
|
|
Sunday
May 31
|
Mostly Sunny
|
71°F |
1 to 13 mph
W
|
|
Sunday Night
May 31
|
Mostly Clear
|
46°F |
1 to 13 mph
N
|
|
Monday
Jun 1
|
Sunny
|
84°F |
2 to 14 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
56°F |
6 to 13 mph
ENE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
89°F |
9 to 18 mph
NE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy then Slight Chance Light Rain
|
59°F |
3 to 12 mph
ENE
|
|
Wednesday
Jun 3
|
Slight Chance Light Rain
|
83°F |
3 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sunnyside.
