Herndon Heights Weather History Virginia, 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.
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Mon 22 Jun, 2026 Weather in Herndon Heights

Sunrise: 05:44 AM Sunset: 08:38 PM	Moonrise: 02:04 PM Moonset: 01:03 AM	Max: 34.5 °c	Min: 20.1 °c	Avg: 25.7 °c	Precip: 9.90 mm	Max Wind: 23.4 kph

	Mon 22 0:00 am	Mon 22 3:00 am	Mon 22 6:00 am	Mon 22 9:00 am	Mon 22 12:00 pm	Mon 22 3:00 pm	Mon 22 6:00 pm	Mon 22 9:00 pm
Icon
Temp	22.1°c	20.5°c	20.6°c	25.9°c	32.1°c	34.4°c	26.3°c	24.0°c
Wind	2.2 kmph	7.2 kmph	5.8 kmph	13.0 kmph	21.2 kmph	18.7 kmph	11.8 kmph	7.9 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.60 mm	0.00 mm
Cloud	0%	0%	0%	1%	0%	0%	76%	0%
Humidity	53%	64%	74%	65%	40%	40%	83%	86%
Pressure	1015 mb	1014 mb	1014 mb	1013 mb	1011 mb	1010 mb	1010 mb	1012 mb

Herndon Heights 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	170 hours	91.96 mm / 3.62 In	7 days	1019 mb / 31 In
February	7°C / 45°F	-2°C / 29°F	3°C / 37°F	149 hours	104.79 mm / 4.13 In	7 days	1019 mb / 31 In
March	12°C / 54°F	3°C / 37°F	7°C / 45°F	158 hours	100.89 mm / 3.97 In	7 days	1018 mb / 31 In
April	18°C / 65°F	8°C / 46°F	13°C / 55°F	171 hours	111.40 mm / 4.39 In	7 days	1016 mb / 30 In
May	23°C / 74°F	13°C / 56°F	18°C / 64°F	175 hours	141.64 mm / 5.58 In	10 days	1016 mb / 30 In
June	29°C / 84°F	18°C / 64°F	23°C / 73°F	213 hours	132.31 mm / 5.21 In	10 days	1014 mb / 30 In
July	32°C / 89°F	21°C / 69°F	26°C / 79°F	226 hours	141.59 mm / 5.57 In	10 days	1015 mb / 30 In
August	30°C / 86°F	20°C / 67°F	24°C / 76°F	211 hours	110.63 mm / 4.36 In	10 days	1016 mb / 30 In
September	26°C / 79°F	16°C / 61°F	21°C / 69°F	197 hours	136.42 mm / 5.37 In	7 days	1018 mb / 31 In
October	20°C / 67°F	10°C / 50°F	15°C / 58°F	198 hours	118.69 mm / 4.67 In	6 days	1018 mb / 31 In
November	13°C / 55°F	4°C / 39°F	8°C / 46°F	207 hours	91.29 mm / 3.59 In	5 days	1021 mb / 31 In
December	8°C / 46°F	0°C / 32°F	4°C / 39°F	170 hours	120.76 mm / 4.75 In	7 days	1020 mb / 31 In

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