Weather Alerts For Renton, WA

Pollen Index: 9.1 Pollen Level: medium-high Predominant Pollen: Mulberry, Cedar/Juniper and Ash. The pollen levels for Thursday will be falling but will remain in the high range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to falling temperatures, higher dew points and lack of strong winds.