POTOMAC, MARYLAND

Home > North America > United States > Maryland
Elevation: 8 meters Latitude: 39 02N Longitude: 077 15W

WEATHER

Daily Averages

Hourly Data

SELECT A DAY

PRINT THIS DATA

[ ← Previous Day ]
DAILY WEATHER AVERAGE - 28 DECEMBER

[ °F ] °C

Weather Element	Avg	Avg High	Avg Low	Record High	Record Low
Temperature	4.7 ^°C	9.3 ^°C	-0.1 ^°C	19 ^°C (2008)	-4 ^°C (2010)
Dewpoint	-2.4 ^°C	2.1 ^°C	-6.2 ^°C	13 ^°C (2008)	-13 ^°C (2013)
Humidity	62.9 ^%	85.3 ^%	43.3 ^%		25 ^% (2010)
Barometer	1018.3 ^hPa	1021.7 ^hPa	1013.9 ^hPa	1030.8 ^hPa (2015)	999.7 ^hPa (2011)
Wind Speed	12.4 ^km/h	27.7 ^km/h		40.7 ^km/h (2008)
Wind Gust		43.5 ^km/h		55.5 ^km/h (2009)
Precipitation	9.65 ^mm			14.48 ^mm (2007)

Weather Element	Average
Visibility	15.4 ^km
Wind Direction	SSW (187.1 °)

Weather Element	Total
Heating Degree Days	13.7 (Base 18.3)
Growing Degree Days	3 (Base 10)

Total Years on Record: 9

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT