Herndon, VA Weather

07:49 Tuesday Artboard
Sunny
Sunny
8° Feels like 6°
West West 8 - 22 km/h
  • Today 25 March Light rain 30% 0.1 mm 16° / 7° Calm 19 - 41 km/h
  • Tomorrow 26 March Scattered clouds 12° / 3° Calm 30 - 66 km/h
  • Thursday 27 March Sunny 13° / -2° Calm 13 - 32 km/h
  • Friday 28 March Light rain 30% 0.2 mm 18° / 3° Calm 18 - 42 km/h
  • Saturday 29 March Scattered clouds 29° / 12° Calm 18 - 44 km/h
  • Sunday 30 March Light rain 70% 2.4 mm 23° / 16° Calm 23 - 52 km/h
  • Monday 31 March Light rain 70% 0.9 mm 30° / 15° Gentle north wind 34 - 75 km/h

Weather Forecast for Herndon, VA Today

, 25 March

Tomorrow

, 26 March
08:00 Sunny 8° Sunny
Feels Like 6°
Calm West 8 - 22 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 44%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 5%
  • Feels Like Feels Like 6 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 1100 m
09:00 Sunny 10° Sunny
Feels Like 10°
Calm West 8 - 19 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 36%
  • Dew Point Dew Point -4 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 10 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 19 km/h
  • Snowline Snowline 1100 m
10:00 Sunny 11° Sunny
Feels Like 11°
Calm West 16 - 37 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 29%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like 11 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 37 km/h
  • Snowline Snowline 1100 m
11:00 Sunny 13° Sunny
Feels Like 13°
Calm West 16 - 39 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 26%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 3%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 1200 m
12:00 Partly cloudy 14° Partly cloudy
Feels Like 14°
Calm West 16 - 40 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 24%
  • Dew Point Dew Point -7 °C
  • Clouds Clouds 70%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 1300 m
13:00 Partly cloudy 14° Partly cloudy
Feels Like 14°
Calm West 15 - 40 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 24%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 69%
  • Feels Like Feels Like 14 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 1300 m
Overcast 14:00 Overcast 15° Overcast
Feels Like 15°
Calm West 13 - 40 km/h
UV Index 3 Moderate SPF: 6-10
Overcast 14:00 Overcast 15° Overcast
Feels Like 15°
Calm West 13 - 40 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 22%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 98%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 1400 m
15:00 Overcast 16° Overcast
Feels Like 16°
Calm West 17 - 39 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 20%
  • Dew Point Dew Point -7 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 16 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 1500 m
16:00 Overcast 16° Overcast
Feels Like 16°
Calm West 17 - 40 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 22%
  • Dew Point Dew Point -6 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 16 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 1600 m
Overcast 17:00 Overcast 15° Overcast
Feels Like 15°
Calm West 17 - 40 km/h
UV Index 1 Low SPF: no
Overcast 17:00 Overcast 15° Overcast
Feels Like 15°
Calm West 17 - 40 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 25%
  • Dew Point Dew Point -5 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 15 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 1500 m
18:00 Overcast 13° Overcast
Feels Like 13°
Calm Southwest 15 - 39 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 33%
  • Dew Point Dew Point -3 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 13 °C
  • Visibility Visibility 16 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 1500 m
19:00 Light rain 30% 0.1 mm 12° Light rain
Feels Like 12°
Calm West 15 - 33 km/h
UV Index 0 Low SPF: no
  • Rain Rain 30% 0.1 mm
  • Humidity Humidity 39%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 12 °C
  • Visibility Visibility 10 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 1500 m
Overcast 20:00 Overcast 11° Overcast
Feels Like 11°
Calm West 13 - 38 km/h
UV Index 0 Low SPF: no
Overcast 20:00 Overcast 30% 0.1 mm 11° Light rain
Feels Like 11°
Calm West 13 - 38 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 46%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 11 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Snowline Snowline 1400 m
21:00 Partly cloudy 10° Partly cloudy
Feels Like 8°
Calm West 12 - 28 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 51%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 96%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Snowline Snowline 1400 m
22:00 Overcast 10° Overcast
Feels Like 8°
Calm West 13 - 26 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 51%
  • Dew Point Dew Point 0 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 8 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 26 km/h
  • Snowline Snowline 1400 m
Partly cloudy 23:00 Partly cloudy 10° Partly cloudy
Feels Like 7°
Calm Northwest 19 - 38 km/h
UV Index 0 Low SPF: no
Partly cloudy 23:00 Partly cloudy 10° Overcast
Feels Like 7°
Calm Northwest 19 - 38 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 43%
  • Dew Point Dew Point -2 °C
  • Clouds Clouds 77%
  • Feels Like Feels Like 7 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Snowline Snowline 1300 m
24:00 Scattered clouds 8° Scattered clouds
Feels Like 6°
Calm Northwest 17 - 38 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 50%
  • Dew Point Dew Point -1 °C
  • Clouds Clouds 18%
  • Feels Like Feels Like 6 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 38 km/h
  • Snowline Snowline 1300 m

Sunrise and Sunset

Sunrise 07:04 Sunset 19:26
First light 06:37 Midday 13:15 Last light 19:53
Day length 12h 22m

Remaining daylight 12h 4m

Lunar calendar

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

Air quality in Herndon today

Detail
41
Moderate O₃ (100 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

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