Pollen Forecast for San Marcos, Texas

Pollen concentrations for Wednesday will be falling in the moderate range. This change results in part from rising humidity, weak winds and expected precipitation in the morning and afternoon which tends to wash pollen out of the air. The lower pollen levels are significant and should help allergy sufferers to cope tomorrow.

Concentration of pollen grains in the air for Thursday will be increasing over today's levels in the moderate range. This forecast of higher pollen concentration is based on windy conditions. These overall conditions could make it a bit more difficult for those who are allergic to airborne pollens.