The Washington, D.C. area has a four-season Mid-Atlantic climate. Summertime is warm and humid, while winter can be cold and snowy. Precipitation averages 2-4” monthly, year-round. The warmest months are June, July, and August, with average highs in the 80s (~31 ?) combined with high humidity. Temperatures often climb into the 90s (~34?). Thunderstorms and severe weather are possible.
Entrance Fee (Adult) - $3.00
Entrance fee (Seniors) - $2.00
Entrance fee (Child age 3+) - $2.00