POTOMAC, MARYLAND

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

WEATHER

Monthly - Summary

Hourly Data

SELECT A DAY

Number of Records: 200,544; Date Range: 10/17/07 - 3/22/16

PRINT THIS DATA

[ ← Previous Day ]
WEATHER ALMANAC - 24 SEPTEMBER, 2014

[ Next Day → ]

[ °F ] °C

Weather Element	Average	High	Low
Temperature	14.3 ^°C	19 ^°C (12:55 pm)	8 ^°C (3:15 am)
Dewpoint	11 ^°C	14 ^°C (2:15 pm)	7 ^°C (3:15 am)
Humidity	81.1 ^%	94 ^% (11:55 pm)	68 ^% (12:15 pm)
Barometer	1031.8 ^hPa	1033.2 hPa (8:55 am)	1030.1 hPa (11:35 pm)
Wind Speed	4.8 ^km/h	13 ^km/h (2:55 pm)
Wind Gust		29.6 ^km/h (1:35 pm)

Weather Element	Average
Visibility	15.9 ^km
Wind Direction	NNE (32.3 °)

Weather Element	Total
Precipitation	1.27 ^mm
Heating Degree Days	4.8 (Base 18.3)
Growing Degree Days	3.5 (Base 10)

Averaged from 71 records on 24 September, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 24 SEPTEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Precipitation	Conditions
12:15 AM	9 ^°C	8 ^°C	93 ^%	1030.5 hPa	16.1 ^km	Calm				Clear
12:35 AM	9 ^°C	8 ^°C	93 ^%	1030.8 hPa	16.1 ^km	Calm				Clear
12:55 AM	10 ^°C	8 ^°C	87 ^%	1030.8 hPa	16.1 ^km	Calm				Clear
1:15 AM	9 ^°C	8 ^°C	93 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
1:35 AM	10 ^°C	8 ^°C	87 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
1:55 AM	9 ^°C	8 ^°C	93 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
2:15 AM	9 ^°C	8 ^°C	93 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
2:35 AM	9 ^°C	8 ^°C	93 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
2:55 AM	9 ^°C	8 ^°C	93 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
3:15 AM	8 ^°C	7 ^°C	93 ^%	1030.8 hPa	16.1 ^km	Calm				Clear
3:35 AM	9 ^°C	8 ^°C	93 ^%	1030.8 hPa	16.1 ^km	Calm				Clear
3:55 AM	9 ^°C	7 ^°C	87 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
4:15 AM	8 ^°C	7 ^°C	93 ^%	1031.2 hPa	14.5 ^km	Calm				Clear
4:35 AM	8 ^°C	7 ^°C	93 ^%	1031.2 hPa	9.7 ^km	Calm				Clear
4:55 AM	8 ^°C	7 ^°C	93 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
5:15 AM	9 ^°C	8 ^°C	93 ^%	1031.2 hPa	16.1 ^km	Calm				Clear
5:35 AM	9 ^°C	8 ^°C	93 ^%	1031.5 hPa	16.1 ^km	Calm				Clear
5:55 AM	9 ^°C	8 ^°C	93 ^%	1031.5 hPa	16.1 ^km	Calm				Clear
6:15 AM	9 ^°C	8 ^°C	93 ^%	1031.5 hPa	16.1 ^km	Calm				Clear
6:35 AM	10 ^°C	8 ^°C	87 ^%	1031.5 hPa	16.1 ^km	NNE (30°)	5.6 ^km/h			Clear
6:55 AM	11 ^°C	9 ^°C	88 ^%	1031.5 hPa	16.1 ^km	NE (40°)	5.6 ^km/h			Clear
7:15 AM	11 ^°C	8 ^°C	82 ^%	1031.8 hPa	16.1 ^km	Calm				Clear
7:35 AM	11 ^°C	8 ^°C	82 ^%	1032.2 hPa	16.1 ^km	Calm				Clear
7:55 AM	11 ^°C	8 ^°C	82 ^%	1032.2 hPa	16.1 ^km	Calm				Clear
8:15 AM	12 ^°C	8 ^°C	77 ^%	1032.5 hPa	16.1 ^km	Calm				Clear
8:35 AM	12 ^°C	9 ^°C	82 ^%	1032.8 hPa	16.1 ^km	Calm				Clear
8:55 AM	13 ^°C	9 ^°C	77 ^%	1033.2 hPa	16.1 ^km	NE (40°)	9.3 ^km/h			Clear
9:15 AM	13 ^°C	9 ^°C	77 ^%	1033.2 hPa	16.1 ^km	NE (40°)	9.3 ^km/h			Clear
9:35 AM	14 ^°C	9 ^°C	72 ^%	1033.2 hPa	16.1 ^km	NE (50°)	9.3 ^km/h			Clear
9:55 AM	14 ^°C	9 ^°C	72 ^%	1033.2 hPa	16.1 ^km	NE (50°)	9.3 ^km/h			Clear
10:15 AM	14 ^°C	10 ^°C	77 ^%	1033.2 hPa	16.1 ^km	NE (50°)	7.4 ^km/h			Clear
10:35 AM	15 ^°C	11 ^°C	77 ^%	1033.2 hPa	16.1 ^km	NE (50°)	9.3 ^km/h			Clear
10:55 AM	16 ^°C	11 ^°C	72 ^%	1033.2 hPa	16.1 ^km	ENE (60°)	11.1 ^km/h			Clear
11:15 AM	16 ^°C	11 ^°C	72 ^%	1033.2 hPa	16.1 ^km	NE (40°)	9.3 ^km/h			Clear
11:35 AM	17 ^°C	12 ^°C	72 ^%	1033.2 hPa	16.1 ^km	NNE (30°)	7.4 ^km/h			Clear
11:55 AM	17 ^°C	12 ^°C	72 ^%	1033.2 hPa	16.1 ^km	NE (40°)	11.1 ^km/h			Clear
12:15 PM	18 ^°C	12 ^°C	68 ^%	1033.2 hPa	16.1 ^km	East (80°)	9.3 ^km/h			Clear
12:35 PM	18 ^°C	13 ^°C	73 ^%	1033.2 hPa	16.1 ^km	ENE (60°)	11.1 ^km/h			Partly Cloudy
12:55 PM	19 ^°C	13 ^°C	68 ^%	1032.8 hPa	16.1 ^km	ENE (70°)	11.1 ^km/h			Clear
1:15 PM	19 ^°C	13 ^°C	68 ^%	1032.8 hPa	16.1 ^km	East (80°)	9.3 ^km/h			Mostly Cloudy
1:35 PM	19 ^°C	13 ^°C	68 ^%	1032.8 hPa	16.1 ^km	East (90°)	11.1 ^km/h	29.6 ^km/h		Mostly Cloudy
1:55 PM	19 ^°C	13 ^°C	68 ^%	1032.8 hPa	16.1 ^km	NE (40°)	11.1 ^km/h			Overcast
2:15 PM	19 ^°C	14 ^°C	73 ^%	1032.5 hPa	16.1 ^km	ENE (60°)	7.4 ^km/h			Overcast
2:55 PM	19 ^°C	14 ^°C	73 ^%	1032.5 hPa	16.1 ^km	NE (50°)	13 ^km/h			Overcast
3:15 PM	19 ^°C	14 ^°C	73 ^%	1032.2 hPa	16.1 ^km	ENE (70°)	11.1 ^km/h			Mostly Cloudy
3:35 PM	19 ^°C	13 ^°C	68 ^%	1032.2 hPa	16.1 ^km	East (80°)	7.4 ^km/h			Scattered Clouds
3:55 PM	19 ^°C	14 ^°C	73 ^%	1031.5 hPa	16.1 ^km	East (90°)	5.6 ^km/h			Clear
4:15 PM	19 ^°C	14 ^°C	73 ^%	1031.5 hPa	16.1 ^km	ENE (70°)	7.4 ^km/h			Clear
4:35 PM	19 ^°C	14 ^°C	73 ^%	1031.5 hPa	16.1 ^km	ENE (60°)	5.6 ^km/h			Clear
4:55 PM	19 ^°C	14 ^°C	73 ^%	1031.5 hPa	16.1 ^km	NE (50°)	9.3 ^km/h			Partly Cloudy
5:15 PM	19 ^°C	13 ^°C	68 ^%	1031.8 hPa	16.1 ^km	ENE (70°)	5.6 ^km/h			Scattered Clouds
5:35 PM	19 ^°C	13 ^°C	68 ^%	1031.8 hPa	16.1 ^km	ENE (70°)	9.3 ^km/h			Mostly Cloudy
5:55 PM	19 ^°C	13 ^°C	68 ^%	1031.8 hPa	16.1 ^km	East (80°)	5.6 ^km/h			Scattered Clouds
6:15 PM	19 ^°C	13 ^°C	68 ^%	1031.8 hPa	16.1 ^km	East (90°)	5.6 ^km/h			Partly Cloudy
6:35 PM	18 ^°C	13 ^°C	73 ^%	1031.8 hPa	16.1 ^km	East (80°)	7.4 ^km/h			Clear
6:55 PM	18 ^°C	13 ^°C	73 ^%	1031.8 hPa	16.1 ^km	Calm				Partly Cloudy
7:15 PM	18 ^°C	13 ^°C	73 ^%	1031.8 hPa	16.1 ^km	ENE (60°)	9.3 ^km/h			Clear
7:35 PM	17 ^°C	14 ^°C	82 ^%	1031.8 hPa	16.1 ^km	Calm				Partly Cloudy
7:55 PM	17 ^°C	13 ^°C	77 ^%	1031.5 hPa	16.1 ^km	Calm				Clear
8:15 PM	17 ^°C	14 ^°C	82 ^%	1031.8 hPa	16.1 ^km	Calm				Partly Cloudy
8:35 PM	17 ^°C	14 ^°C	82 ^%	1031.5 hPa	16.1 ^km	ENE (70°)	5.6 ^km/h			Mostly Cloudy
8:55 PM	17 ^°C	14 ^°C	82 ^%	1031.5 hPa	16.1 ^km	NE (40°)	5.6 ^km/h			Mostly Cloudy
9:15 PM	16 ^°C	14 ^°C	88 ^%	1031.5 hPa	16.1 ^km	NE (40°)	5.6 ^km/h			Mostly Cloudy
9:35 PM	16 ^°C	14 ^°C	88 ^%	1031.5 hPa	16.1 ^km	NNE (30°)	5.6 ^km/h			Overcast
9:55 PM	16 ^°C	14 ^°C	88 ^%	1031.2 hPa	16.1 ^km	NNE (20°)	5.6 ^km/h		0.25 mm	Overcast
10:15 PM	16 ^°C	14 ^°C	88 ^%	1031.2 hPa	16.1 ^km	Calm			0.25 mm	Overcast
10:35 PM	16 ^°C	14 ^°C	88 ^%	1031.2 hPa	16.1 ^km	NNE (30°)	5.6 ^km/h		0.25 mm	Overcast
10:55 PM	16 ^°C	14 ^°C	88 ^%	1030.8 hPa	16.1 ^km	NNE (20°)	5.6 ^km/h		0.25 mm	Overcast
11:15 PM	16 ^°C	14 ^°C	88 ^%	1030.5 hPa	16.1 ^km	NE (40°)	9.3 ^km/h			Mostly Cloudy
11:35 PM	16 ^°C	14 ^°C	88 ^%	1030.1 hPa	16.1 ^km	NE (40°)	9.3 ^km/h			Mostly Cloudy
11:55 PM	15 ^°C	14 ^°C	94 ^%	1030.1 hPa	16.1 ^km	NE (40°)	7.4 ^km/h		0.25 mm	Overcast

Hourly data recorded from KGAI, located 0 kilometers away from Potomac, Maryland