Herndon, VA Weather

19:00 Thursday

Clear

6° Feels like 4°

First Quarter Illuminated: 28%

Hourly Cloudy intervals for the next few hours

Today 25 Dec. 70% 1.2 mm 14° / 0° 17 - 37 km/h
Tomorrow 26 Dec. 80% 2.1 mm 3° / -4° 18 - 39 km/h
Saturday 27 Dec. 5° / 0° 11 - 25 km/h
Sunday 28 Dec. 40% 0.6 mm 10° / 0° 21 - 43 km/h
Monday 29 Dec. 80% 1.8 mm 17° / 0° 28 - 67 km/h
Tuesday 30 Dec. 1° / -3° 27 - 61 km/h
Wednesday 31 Dec. 7° / -3° 17 - 42 km/h

Weather Forecast for Herndon, VA Today

, 25 December

Tomorrow

, 26 December

17:00		10°	Scattered clouds Feels Like 10°	Northwest 14 - 34 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 59% Dew Point 3 °C Clouds 20% Feels Like 10 °C Visibility 45 km Wind - Average 14 km/h Pressure 1016 hPa Fog No Wind - Gusts 34 km/h Snowline 9514 ft
18:00		9°	Scattered clouds Feels Like 7°	North 15 - 29 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 58% Dew Point 1 °C Clouds 45% Feels Like 7 °C Visibility 45 km Wind - Average 15 km/h Pressure 1018 hPa Fog No Wind - Gusts 29 km/h Snowline 9514 ft
19:00		8°	Clear Feels Like 6°	North 15 - 32 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 54% Dew Point -1 °C Clouds 4% Feels Like 6 °C Visibility 45 km Wind - Average 15 km/h Pressure 1019 hPa Fog No Wind - Gusts 32 km/h Snowline 9843 ft
20:00		6°	Clear Feels Like 4°	North 13 - 30 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 58% Dew Point -2 °C Clouds 7% Feels Like 4 °C Visibility 45 km Wind - Average 13 km/h Pressure 1021 hPa Fog No Wind - Gusts 30 km/h Snowline 9843 ft
21:00		4°	Clear Feels Like 2°	North 12 - 27 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 60% Dew Point -3 °C Clouds 3% Feels Like 2 °C Visibility 45 km Wind - Average 12 km/h Pressure 1022 hPa Fog No Wind - Gusts 27 km/h Snowline 9843 ft
22:00		3°	Clear Feels Like 1°	North 10 - 24 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 63% Dew Point -3 °C Clouds 4% Feels Like 1 °C Visibility 45 km Wind - Average 10 km/h Pressure 1023 hPa Fog No Wind - Gusts 24 km/h Snowline 9843 ft
23:00		2°	Scattered clouds Feels Like -1°	Northeast 10 - 20 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 69% Dew Point -3 °C Clouds 37% Feels Like -1 °C Visibility 40 km Wind - Average 10 km/h Pressure 1023 hPa Fog No Wind - Gusts 20 km/h Snowline 9514 ft
24:00		0°	Scattered clouds Feels Like -3°	Northeast 13 - 24 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 66% Dew Point -5 °C Clouds 16% Feels Like -3 °C Visibility 40 km Wind - Average 13 km/h Pressure 1024 hPa Fog No Wind - Gusts 24 km/h Snowline 9514 ft

Weather:
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Photoprotection (SPF):
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Sunrise and Sunset

Sunrise 07:26 Sunset 16:53

First light 06:56 Midday 12:09 Last light 17:23

Day length 9h 26m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
			25	26	27	28
29	30	31	1	2	3	4
5	6	7

Air quality in Herndon today

Detail

24

Fair O₃ (57 µg/m³)

Little health risk.
Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs

Maximum Minimum Rainfall