Port Costa, CA
Pollen counts
Grasses
Low
Molds
Low
Trees
Low
Weeds
Low
ALL
Pollen counts are measured as spores per cubic meter.
Weather forecast
Today
66° F
Mostly sunny. High near 66, with temperatures falling to around 64 in the afternoon. West wind 14 to 17 mph, with gusts as high as 22 mph.