Herndon, VA - Extended Weather Forecast

18:19 Friday

Partly cloudy

20° Feels like 20°

Southwest 12 - 32 km/h

Hourly Cloudy skies for the next few hours

Friday 4 April 29° / 19° 28 - 67 km/h
Saturday 5 April 26° / 15° 14 - 40 km/h
Sunday 6 April 19° / 7° 12 - 36 km/h
Monday 7 April 16° / 0° 21 - 50 km/h
Tuesday 8 April 17° / 1° 9 - 30 km/h
Wednesday 9 April 14° / 5° 14 - 34 km/h
Thursday 10 April 12° / 2° 15 - 43 km/h

Friday, 4 April

Saturday, 5 April

02:00		21°	Scattered clouds Feels Like 21°	South 20 - 43 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 79% Dew Point 17 °C Clouds 50% Feels Like 21 °C Visibility 30 km Wind - Average 20 km/h Pressure 1016 hPa Fog No Wind - Gusts 43 km/h Snowline 4200 m
05:00		20°	Partly cloudy Feels Like 20°	South 21 - 41 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 84% Dew Point 17 °C Clouds 56% Feels Like 20 °C Visibility 25 km Wind - Average 21 km/h Pressure 1016 hPa Fog No Wind - Gusts 41 km/h Snowline 4000 m
08:00		20°	Partly cloudy Feels Like 20°	Southwest 22 - 45 km/h	0 Low SPF: no
	Rain 10% 0 mm Humidity 83% Dew Point 17 °C Clouds 63% Feels Like 20 °C Visibility 25 km Wind - Average 22 km/h Pressure 1016 hPa Fog No Wind - Gusts 45 km/h Snowline 3900 m
11:00		24°	Partly cloudy Feels Like 25°	Southwest 26 - 56 km/h	4 Moderate SPF: 6-10
	Rain 20% 0 mm Humidity 67% Dew Point 17 °C Clouds 62% Feels Like 25 °C Visibility 30 km Wind - Average 26 km/h Pressure 1015 hPa Fog No Wind - Gusts 56 km/h Snowline 3900 m
14:00		27°	Partly cloudy Feels Like 28°	Southwest 28 - 66 km/h	6 High SPF: 15-25
	Rain 20% 0 mm Humidity 55% Dew Point 17 °C Clouds 62% Feels Like 28 °C Visibility 30 km Wind - Average 28 km/h Pressure 1014 hPa Fog No Wind - Gusts 66 km/h Snowline 4100 m
17:00		27°	Partly cloudy Feels Like 27°	Southwest 20 - 66 km/h	3 Moderate SPF: 6-10
	Rain 20% 0 mm Humidity 56% Dew Point 17 °C Clouds 73% Feels Like 27 °C Visibility 30 km Wind - Average 20 km/h Pressure 1014 hPa Fog No Wind - Gusts 66 km/h Snowline 4100 m
20:00		25°	Partly cloudy Feels Like 26°	West 14 - 59 km/h	0 Low SPF: no
	Rain 20% 0 mm Humidity 62% Dew Point 17 °C Clouds 84% Feels Like 26 °C Visibility 30 km Wind - Average 14 km/h Pressure 1014 hPa Fog No Wind - Gusts 59 km/h Snowline 4100 m
23:00		23°	Partly cloudy Feels Like 24°	Southwest 12 - 44 km/h	0 Low SPF: no
	Rain 20% 0 mm Humidity 71% Dew Point 18 °C Clouds 68% Feels Like 24 °C Visibility 30 km Wind - Average 12 km/h Pressure 1014 hPa Fog No Wind - Gusts 44 km/h Snowline 4100 m

Weather:
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Photoprotection (SPF):
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Sunrise and Sunset

Sunrise 06:59 Sunset 19:29

First light 06:33 Midday 13:14 Last light 19:56

Day length 12h 30m

Remaining daylight 1h 37m

Lunar calendar

Mon	Tue	Wed	Thu	Fri	Sat	Sun
				28	29	30
31	1	2	3	4	5	6
7	8	9	10

Air quality in Herndon today

Detail

44

Moderate O₃ (108 µg/m³)

Possible health risk.
Enjoy your usual outdoor activities if you do not experience symptoms.
Sensitive people should limit prolonged or intense outdoor activities.

Weather graphs

Maximum Minimum Rainfall