The 10-day span for Sunnyside runs from a high near 98° on Thursday down to 54° overnight on Friday. Models drop roughly 0.06 in of precipitation across the stretch — watch Friday (36%). Hold onto the patio furniture Wednesday: gusts could hit 28 mph. No active NWS alerts at the moment — quiet on the hazards front. Right now Sunnyside is about 23° cooler than nearby Yakima. Longer view: marine climate — mild, showery winters and dry, gentle summers.
Sunnyside, WA · Elev 745 ft · 46.32°N, 120.01°W · Washington · Forecast computed for these exact coordinates