Weather Alerts For Washington, DC

Pollen Index: 9.4 Pollen Level: medium-high Predominant Pollen: Oak, Mulberry and Birch. Based on past pollen counts and expected weather conditions, pollen levels for Sunday will be falling but will remain in the high range. This decrease is due to rising humidity, weak winds and expected precipitation in the morning and evening which tends to wash pollen out of the air.