Weather in Sunnyside, WA
Updated 2026-09-26 08:00 local time · ZIP codes 98944
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
47°14% rain
49°2% rain53°1% rain55°1% rain58°1% rain60°1% rain62°0% rain
64°7% rain65°9% rain65°9% rain64°9% rain
62°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 14%).
It feels like 46°F with winds near 3 mph.
62°F, 0% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 15 mph.
Current temperature is 47°F, wind 3 mph, rain chance up to 14%.
UV index is 0.
Local weather characteristics in Sunnyside
Washington has a mild, wetter marine climate west of the Cascades and a much drier interior climate east of the mountains. Terrain creates strong local rain, snow and temperature differences.
Sunnyside is part of the West weather region. The forecast point is near 46.32°N latitude and 120.01°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Sunnyside weather today
Overcast and 47°F in Sunnyside, WA. Today's high is 65°F with a 6% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 56%, pressure is 30.12 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sunnyside
Sunrise is at 06:52 AM and sunset is at 06:50 PM. Tomorrow's forecast calls for Overcast with a high near 67°F and a low near 51°F. The maximum rain chance is 5%.