WA Seattle WA Zone Forecast May 9, 2021 FacebookTwitterEmail _____ National Weather Service Seattle WA 359 AM PDT Sun May 9 2021 Spot temperatures and probabilities of measurable precipitation are for today, tonight, and Monday. WAZ558-092300- 359 AM PDT Sun May 9 2021 .TODAY...Mostly cloudy with a slight chance of showers. Highs in the mid 50s to lower 60s. North wind to 10 mph becoming northwest in the afternoon. in the lower to mid 40s. North wind to 10 mph becoming northeast after midnight. the morning becoming light. 10 mph in the evening becoming light. .TUESDAY...Sunny. Highs in the 60s to lower 70s. Light wind becoming north around 10 mph in the afternoon.