Seattle rolled out of bed to mostly clear skies Wednesday and a cool start, with Boeing Field clocking temperatures in the upper 40s early on. A generous dose of sunshine has already nudged many neighborhoods into the mid‑50s and low‑60s, setting up a bright afternoon near 65 degrees with light north‑northeast breezes. In other words, it is prime time for errands, coffee runs, or that long‑promised outdoor lunch.
Today Through Friday
High pressure is building inland today, keeping skies mostly sunny and temperatures comfortably mild, with highs near 65 this afternoon and around 71 on Thursday. A weak, dry front slips through late Thursday into Friday, bringing thicker clouds and slightly cooler readings to wrap up the workweek. Overnight lows should hang in the upper 40s, and winds will stay light from the north to north‑northeast at just a few miles per hour, according to the National Weather Service Seattle.
Weekend Outlook
The ridge strengthens into the weekend, and that is when things start to heat up. By Sunday, temperatures in the city are expected to climb into the upper 70s, with some inland valleys pushing into the 80s. The Chehalis Valley and select Cascade valleys hold the best shot at the warmest readings. Forecasters also flag a modest chance of a moderate heat risk for areas generally south of the Seattle metro, so anyone planning long hours outside should think shade, sunscreen, and extra water. Afternoon humidity will dip into the upper 20s to 30s in some locations, which will make conditions feel on the dry side for long hikes, gardening, or yard work.
Commute And Outdoor Notes
Low clouds and a shallow marine layer may sneak back into coastal areas overnight into Thursday morning, but interior neighborhoods and KSEA should see ceilings lift to VFR this afternoon. Mariners will want to keep an eye on a stronger onshore push down the Strait Thursday afternoon and evening as the weak front moves through. No watches or warnings are currently posted for the region; check the National Weather Service Seattle for the latest updates.
