Holtsville, NY
Pollen counts
Grasses
Low
Weeds
Low
Molds
Low
Trees
Low
ALL
Grass / All Types
| Sep 8 | 2 2 | |
| Sep 7 | 0 0 | |
| Sep 6 | 4 4 | |
| Sep 5 | 29 29 | |
| Sep 4 | 4 4 | |
| Sep 3 | 0 0 | |
| Sep 2 | 0 0 | |
| Sep 1 | 4 4 | |
| Aug 31 | 2 2 | |
| Aug 30 | 0 0 |
Pollen counts are measured as spores per cubic meter.
Weather forecast
This Afternoon
71° F
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy. High near 71, with temperatures falling to around 69 in the afternoon. East wind around 14 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.