Herndon, VA Weather

17:00 Tuesday

Partly cloudy

9° Feels like 9°

First Quarter Illuminated: 12%

Hourly Overcast skies for the next few hours

Today 23 Dec. 90% 3 mm 11° / 1° 16 - 30 km/h
Tomorrow 24 Dec. 9° / 3° 20 - 43 km/h
Thursday 25 Dec. 14° / 0° 17 - 37 km/h
Friday 26 Dec. 90% 4.8 mm 1° / -2° 15 - 31 km/h
Saturday 27 Dec. 60% 0.8 mm 7° / 1° 9 - 22 km/h
Sunday 28 Dec. 10° / 1° 22 - 45 km/h
Monday 29 Dec. 40% 0.6 mm 11° / -4° 30 - 65 km/h

Weather Forecast for Herndon, VA Today

, 23 December

Tomorrow

, 24 December

17:00		9°	Partly cloudy Feels Like 9°	Southwest 3 - 4 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 73% Dew Point 4 °C Clouds 82% Feels Like 9 °C Visibility 40 km Wind - Average 3 km/h Pressure 1017 hPa Fog No Wind - Gusts 4 km/h Snowline 10499 ft
18:00		9°	Scattered clouds Feels Like 8°	Southwest 7 - 12 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 75% Dew Point 5 °C Clouds 50% Feels Like 8 °C Visibility 40 km Wind - Average 7 km/h Pressure 1017 hPa Fog No Wind - Gusts 12 km/h Snowline 10171 ft
19:00		8°	Overcast Feels Like 7°	Southwest 7 - 13 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 81% Dew Point 5 °C Clouds 97% Feels Like 7 °C Visibility 40 km Wind - Average 7 km/h Pressure 1017 hPa Fog No Wind - Gusts 13 km/h Snowline 10171 ft
20:00		8°	Partly cloudy Feels Like 7°	Southwest 5 - 12 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 84% Dew Point 5 °C Clouds 59% Feels Like 7 °C Visibility 40 km Wind - Average 5 km/h Pressure 1017 hPa Fog No Wind - Gusts 12 km/h Snowline 9843 ft
21:00		7°	Partly cloudy Feels Like 6°	West 6 - 9 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 86% Dew Point 5 °C Clouds 82% Feels Like 6 °C Visibility 35 km Wind - Average 6 km/h Pressure 1017 hPa Fog No Wind - Gusts 9 km/h Snowline 9843 ft
22:00		7°	Overcast Feels Like 6°	Southwest 6 - 11 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 88% Dew Point 5 °C Clouds 100% Feels Like 6 °C Visibility 35 km Wind - Average 6 km/h Pressure 1018 hPa Fog No Wind - Gusts 11 km/h Snowline 9514 ft
23:00		8°	Partly cloudy Feels Like 7°	Southwest 7 - 12 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 85% Dew Point 5 °C Clouds 87% Feels Like 7 °C Visibility 35 km Wind - Average 7 km/h Pressure 1018 hPa Fog No Wind - Gusts 12 km/h Snowline 9514 ft
24:00		8°	Partly cloudy Feels Like 7°	West 8 - 14 km/h	0 Low SPF: no
	Rain 0% 0 mm Humidity 87% Dew Point 6 °C Clouds 61% Feels Like 7 °C Visibility 35 km Wind - Average 8 km/h Pressure 1018 hPa Fog No Wind - Gusts 14 km/h Snowline 9186 ft

Weather:
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Photoprotection (SPF):
More information

Sunrise and Sunset

Sunrise 07:25 Sunset 16:51

First light 06:55 Midday 12:08 Last light 17:21

Day length 9h 26m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
	23	24	25	26	27	28
29	30	31	1	2	3	4
5

Air quality in Herndon today

Detail

34

Fair PM₂₅ (20 µg/m³)

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

Weather graphs

Maximum Minimum Rainfall