Port Costa, CA
Pollen counts
Trees
Mid
Weeds
Low
Grasses
Low
Molds
Low
ALL
Pine
Elm
Alder
Ash
Birch
Cedar
Oak
Other Tree Pollen
Privet
Sycamore
| Oct 27 | 19 19 | |
| Oct 26 | 11 11 | |
| Oct 25 | 9 9 | |
| Oct 24 | 6 6 | |
| Oct 23 | 10 10 | |
| Oct 22 | 5 5 | |
| Oct 21 | 8 8 | |
| Oct 20 | 10 10 | |
| Oct 19 | 6 6 | |
| Oct 18 | 14 14 |
Pollen counts are measured as spores per cubic meter.
Weather forecast
Today
64° F
Rain showers before 10am, then a chance of showers and thunderstorms. Mostly cloudy. High near 64, with temperatures falling to around 62 in the afternoon. South southwest wind 10 to 25 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.