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. High near 97, with temperatures falling to around 95 in the afternoon. South wind 0 to 5 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: Jul 14, 2026 12:04 AM PDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Sunnyside, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 12:04 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Sunnyside
Wednesday looks like the warmest upcoming period in Sunnyside at 98 degrees F.
Thursday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Thursday Night at about 1 to 9 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 12:04 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy. Low around 62, with temperatures rising to around 64 overnight. Northwest wind 1 to 5 mph.
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 98. North wind 1 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers. Mostly cloudy, with a low around 62. Northwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before 5pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
Mostly clear, with a low around 57.
Sunny, with a high near 94.
Mostly clear, with a low around 58.
Sunny, with a high near 96.
Mostly clear, with a low around 59.
Sunny, with a high near 96.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 98.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Partly Sunny
|
97°F |
0 to 5 mph
S
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
62°F |
1 to 5 mph
NW
|
|
Wednesday
Jul 15
|
Mostly Sunny then Slight Chance Rain Showers
|
98°F |
1 to 5 mph
N
|
|
Wednesday Night
Jul 15
|
Chance Rain Showers
|
62°F |
5 mph
NW
|
|
Thursday
Jul 16
|
Chance Rain Showers
|
95°F |
2 to 8 mph
NW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
57°F |
1 to 9 mph
W
|
|
Friday
Jul 17
|
Sunny
|
94°F |
1 to 5 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
58°F |
1 to 5 mph
W
|
|
Saturday
Jul 18
|
Sunny
|
96°F |
1 to 5 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
59°F |
1 to 5 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
96°F |
2 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
61°F |
2 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny
|
98°F |
3 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sunnyside.