Herndon, VA Weather

07:00 Thursday
Sunny
Clear
-4° Feels like -10°
Moderate northwest wind Northwest 24 - 49 km/h
  • Today 1 Jan. Snow with partly cloudy skies 30% 0.2 mm / -5° Strong northwest wind 26 - 59 km/h
  • Tomorrow 2 Jan. Partly cloudy / -4° Moderate northwest wind 19 - 45 km/h
  • Saturday 3 Jan. Partly cloudy / -5° Moderate north wind 13 - 26 km/h
  • Sunday 4 Jan. Scattered clouds / -4° Moderate northwest wind 16 - 38 km/h
  • Monday 5 Jan. Partly cloudy / -5° Moderate south wind 13 - 33 km/h
  • Tuesday 6 Jan. Scattered clouds 10° / -2° Moderate southeast wind 13 - 24 km/h
  • Wednesday 7 Jan. Partly cloudy 16° / Moderate southwest wind 16 - 31 km/h

Weather Forecast for Herndon, VA Today

, 1 January

Tomorrow

, 2 January
08:00 Clear -4° Sunny
Feels Like -10°
Moderate northwest wind Northwest 24 - 49 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 44%
  • Dew Point Dew Point -14 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like -10 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 24 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 49 km/h
  • Snowline Snowline 0 ft
09:00 Clear -5° Sunny
Feels Like -11°
Moderate northwest wind Northwest 23 - 49 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 41%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like -11 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 23 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 49 km/h
  • Snowline Snowline 0 ft
10:00 Clear -4° Sunny
Feels Like -10°
Moderate northwest wind Northwest 20 - 48 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 39%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like -10 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 20 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 48 km/h
  • Snowline Snowline 0 ft
11:00 Clear -3° Sunny
Feels Like -9°
Moderate northwest wind Northwest 19 - 44 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 34%
  • Dew Point Dew Point -17 °C
  • Clouds Clouds 0%
  • Feels Like Feels Like -9 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 19 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Snowline Snowline 0 ft
12:00 Clear -3° Sunny
Feels Like -8°
Moderate northwest wind Northwest 17 - 42 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 33%
  • Dew Point Dew Point -17 °C
  • Clouds Clouds 2%
  • Feels Like Feels Like -8 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 42 km/h
  • Snowline Snowline 0 ft
13:00 Scattered clouds -2° Scattered clouds
Feels Like -7°
Moderate northwest wind Northwest 17 - 40 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 33%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 45%
  • Feels Like Feels Like -7 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 17 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 40 km/h
  • Snowline Snowline 0 ft
Scattered clouds 14:00 Scattered clouds -2° Scattered clouds
Feels Like -6°
Moderate northwest wind Northwest 16 - 39 km/h
UV Index 1 Low SPF: no
14:00 Scattered clouds -2° Scattered clouds
Feels Like -6°
Moderate northwest wind Northwest 16 - 39 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 34%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 37%
  • Feels Like Feels Like -6 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 16 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 39 km/h
  • Snowline Snowline 0 ft
15:00 Scattered clouds -2° Scattered clouds
Feels Like -6°
Moderate northwest wind Northwest 14 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 33%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like -6 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 0 ft
16:00 Scattered clouds -2° Scattered clouds
Feels Like -6°
Moderate northwest wind Northwest 11 - 31 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 33%
  • Dew Point Dew Point -17 °C
  • Clouds Clouds 34%
  • Feels Like Feels Like -6 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 31 km/h
  • Snowline Snowline 0 ft
Scattered clouds 17:00 Scattered clouds -4° Scattered clouds
Feels Like -6°
Moderate northwest wind Northwest 6 - 24 km/h
UV Index 0 Low SPF: no
17:00 Scattered clouds -4° Scattered clouds
Feels Like -6°
Moderate northwest wind Northwest 6 - 24 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 39%
  • Dew Point Dew Point -15 °C
  • Clouds Clouds 18%
  • Feels Like Feels Like -6 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 6 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 0 ft
18:00 Scattered clouds -4° Scattered clouds
Feels Like -6°
Gentle north wind North 5 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 44%
  • Dew Point Dew Point -15 °C
  • Clouds Clouds 27%
  • Feels Like Feels Like -6 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 0 ft
19:00 Scattered clouds -4° Scattered clouds
Feels Like -7°
Gentle north wind North 8 - 16 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 43%
  • Dew Point Dew Point -15 °C
  • Clouds Clouds 39%
  • Feels Like Feels Like -7 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 km/h
  • Snowline Snowline 0 ft
Partly cloudy 20:00 Partly cloudy -5° Partly cloudy
Feels Like -6°
Gentle northeast wind Northeast 4 - 15 km/h
UV Index 0 Low SPF: no
20:00 Overcast -5° Overcast
Feels Like -6°
Gentle northeast wind Northeast 4 - 15 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 44%
  • Dew Point Dew Point -15 °C
  • Clouds Clouds 59%
  • Feels Like Feels Like -6 °C
  • Visibility Visibility 50 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 0 ft
21:00 Overcast -5° Overcast
Feels Like -6°
Gentle north wind North 4 - 9 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 43%
  • Dew Point Dew Point -15 °C
  • Clouds Clouds 98%
  • Feels Like Feels Like -6 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 0 ft
22:00 Overcast -4° Overcast
Feels Like -2°
Gentle east wind East 1 - 10 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 40%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 99%
  • Feels Like Feels Like -2 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 1 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 10 km/h
  • Snowline Snowline 0 ft
Overcast 23:00 Overcast -4° Overcast
Feels Like -4°
Gentle southeast wind Southeast 2 - 8 km/h
UV Index 0 Low SPF: no
23:00 Overcast -4° Overcast
Feels Like -4°
Gentle southeast wind Southeast 2 - 8 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 39%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 99%
  • Feels Like Feels Like -4 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 8 km/h
  • Snowline Snowline 0 ft
24:00 Overcast -4° Overcast
Feels Like -4°
Gentle southeast wind Southeast 2 - 8 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 39%
  • Dew Point Dew Point -16 °C
  • Clouds Clouds 99%
  • Feels Like Feels Like -4 °C
  • Visibility Visibility 45 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 8 km/h
  • Snowline Snowline 0 ft

Sunrise and Sunset

Sunrise 07:28 Sunset 16:58
First light 06:58 Midday 12:13 Last light 17:28
Day length 9h 30m

Remaining daylight 9h 27m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
1 First Quarter
2 Full Moon
3 Full Moon
4 Full Moon
5 Last Quarter
6 Last Quarter
7 Last Quarter
8 Last Quarter
9 Last Quarter
10 Last Quarter
11 Last Quarter
12 Last Quarter
13 Last Quarter
14 Last Quarter

Air quality in Herndon today

Detail
33
Fair O₃ (81 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs

Maximum Minimum Rainfall

Videos

Several cows make their way through a heavy snowfall in Karabük, Turkey
Several cows make their way through a heavy snowfall in Karabük, Turkey