Content
SEND FEEDBACK

United States of America

POTOMAC, MARYLAND


Home > North America > United States > Maryland
Elevation: 27 feet     Latitude: 39 02N     Longitude: 077 15W

WEATHER
 
SELECT A DAY
 
SHARE

PRINT THIS DATA

[ ← Previous Day ]
DAILY WEATHER AVERAGE - SEPTEMBER 29
[ Next Day → ]
[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 63 °F 70.6 °F 54.6 °F 78.8 °F (2015) 46.4 °F (2009)
Dewpoint 56.3 °F 60.5 °F 51.3 °F 71.6 °F (2015) 41 °F (2009)
Humidity 80.1 % 98.1 % 58.3 % 45 % (2009)
Barometer 29.96 in 30.04 in 29.88 in 30.25 in (2013) 29.68 in (2009)
Wind Speed 3 mph 11.2 mph 23 mph (2009)
Wind Gust 23.8 mph 33.4 mph (2009)
Precipitation 1.74 in 3.41 in (2015)
Weather ElementAverage
Visibility8.7 mi
Wind DirectionESE (108.4 °)
Weather ElementTotal
Heating Degree Days4.2 (Base 18.3)
Cooling Degree Days8.4 (Base 18.3)
Growing Degree Days12.6 (Base 10)
Total Years on Record: 7
WEATHER CONDITIONS BREAKOUT
WIND DIRECTION BREAKOUT




STORIES FROM OUR PARTNERS