Mercer Island, WA
Pollen counts
Grasses
Low
Molds
Low
Trees
Low
Weeds
Low
ALL
Pollen counts are measured as spores per cubic meter.
Weather forecast
Tonight
48° F
A chance of rain after 3am. Mostly cloudy. Low around 48, with temperatures rising to around 51 overnight. South southeast wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.