Potomac Weather History Maryland, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
Yearly Monthly Averages
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Fri 25 Apr, 2025 Weather in Potomac

Sunrise: 06:18 AM Sunset: 07:56 PM	Moonrise: 04:56 AM Moonset: 05:37 PM	Max: 19.6 °c	Min: 13.1 °c	Avg: 16.5 °c	Precip: 4.82 mm	Max Wind: 17.3 kph

	Fri 25 0:00 am	Fri 25 3:00 am	Fri 25 6:00 am	Fri 25 9:00 am	Fri 25 12:00 pm	Fri 25 3:00 pm	Fri 25 6:00 pm	Fri 25 9:00 pm
Icon
Temp	16.7°c	14.4°c	13.1°c	14.3°c	16.6°c	19.0°c	19.6°c	18.4°c
Wind	7.6 kmph	6.1 kmph	6.8 kmph	7.6 kmph	13.3 kmph	16.9 kmph	16.2 kmph	14.0 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	0%	0%	93%	95%	99%	96%	94%	100%
Humidity	54%	68%	84%	90%	83%	79%	81%	91%
Pressure	1024 mb	1024 mb	1024 mb	1024 mb	1023 mb	1021 mb	1018 mb	1017 mb

Potomac Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	4°C / 40°F	-3°C / 27°F	1°C / 33°F	169 hours	81.24 mm / 3.20 In	7 days	1019 mb / 31 In
February	7°C / 45°F	-1°C / 30°F	3°C / 37°F	151 hours	100.56 mm / 3.96 In	7 days	1019 mb / 31 In
March	12°C / 54°F	3°C / 37°F	7°C / 45°F	166 hours	96.20 mm / 3.79 In	7 days	1018 mb / 31 In
April	18°C / 65°F	8°C / 46°F	13°C / 55°F	178 hours	106.29 mm / 4.18 In	7 days	1016 mb / 30 In
May	23°C / 74°F	13°C / 56°F	18°C / 64°F	181 hours	119.61 mm / 4.71 In	10 days	1016 mb / 30 In
June	28°C / 83°F	18°C / 64°F	23°C / 73°F	218 hours	116.72 mm / 4.60 In	10 days	1014 mb / 30 In
July	31°C / 88°F	21°C / 70°F	26°C / 78°F	233 hours	131.92 mm / 5.19 In	11 days	1015 mb / 30 In
August	30°C / 86°F	20°C / 68°F	25°C / 76°F	215 hours	122.52 mm / 4.82 In	11 days	1016 mb / 30 In
September	26°C / 79°F	17°C / 62°F	21°C / 70°F	205 hours	132.05 mm / 5.20 In	8 days	1018 mb / 31 In
October	20°C / 67°F	11°C / 51°F	15°C / 59°F	203 hours	107.25 mm / 4.22 In	6 days	1018 mb / 31 In
November	12°C / 54°F	4°C / 40°F	8°C / 47°F	211 hours	87.16 mm / 3.43 In	5 days	1021 mb / 31 In
December	8°C / 46°F	1°C / 34°F	4°C / 39°F	176 hours	118.62 mm / 4.67 In	7 days	1020 mb / 31 In

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