Pollen Forecast for Portland, Texas
Today
Concentration of pollen grains in the air for Tuesday will be falling in the moderate range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to falling temperatures, rising relative humidity and weaker winds.
Outlook
Based on past pollen counts and expected weather conditions, pollen levels for Wednesday will be rising in the moderate range. This higher level is caused in part by rising temperatures.