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United States of America

POTOMAC, MARYLAND


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

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DAILY WEATHER AVERAGE - SEPTEMBER 15
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[ °C ]   °F
Weather ElementAvgAvg HighAvg LowRecord HighRecord Low
Temperature 65.3 °F 78 °F 52.1 °F 82.4 °F (2010) 44.6 °F (2013)
Dewpoint 54.7 °F 61.1 °F 48.2 °F 69.8 °F (2009) 42.8 °F (2010)
Humidity 71.9 % 94.3 % 46.3 % 32 % (2010)
Barometer 30.12 in 30.22 in 30.03 in 30.43 in (2015) 29.73 in (2008)
Wind Speed 3 mph 9.9 mph 16.1 mph (2008)
Wind Gust 19.2 mph 24.2 mph (2008)
Precipitation 0.08 in 0.10 in (2009)
Weather ElementAverage
Visibility9.1 mi
Wind DirectionSE (130.2 °)
Weather ElementTotal
Heating Degree Days5.4 (Base 18.3)
Cooling Degree Days4.1 (Base 18.3)
Growing Degree Days15 (Base 10)
Total Years on Record: 7
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WIND DIRECTION BREAKOUT




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