Herndon Junction, VA Weather

15:34 Sunday Artboard
Scattered clouds
Scattered clouds
27° Feels like 26°
UV 4 Moderate
SPF 6-10
  • Today 11 May Scattered clouds 27° / 10° Calm 13 - 25 km/h
  • Tomorrow 12 May Light rain 80% 1.9 mm 24° / 13° Calm 14 - 34 km/h
  • Tuesday 13 May Moderate rain 90% 23 mm 20° / 17° Calm 28 - 56 km/h
  • Wednesday 14 May Light rain 90% 8.9 mm 24° / 17° Calm 21 - 47 km/h
  • Thursday 15 May Light rain 90% 2 mm 26° / 16° Calm 10 - 29 km/h
  • Friday 16 May Thunderstorm 60% 1.2 mm 25° / 17° Calm 10 - 34 km/h
  • Saturday 17 May Light rain 70% 3 mm 27° / 19° Calm 22 - 53 km/h

Weather Forecast for Herndon Junction, VA Today

, 11 May

Tomorrow

, 12 May
16:00 Scattered clouds 27° Scattered clouds
Feels Like 26°
Calm North 4 - 14 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 35%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1023 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 14 km/h
  • Snowline Snowline 12139 ft
17:00 Scattered clouds 26° Scattered clouds
Feels Like 26°
Calm North 7 - 18 km/h
UV Index 2 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 37%
  • Dew Point Dew Point 10 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1023 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 13123 ft
18:00 Scattered clouds 25° Scattered clouds
Feels Like 26°
Calm North 5 - 18 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 41%
  • Dew Point Dew Point 11 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1023 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 13123 ft
19:00 Scattered clouds 24° Scattered clouds
Feels Like 25°
Calm Northeast 7 - 16 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 52%
  • Dew Point Dew Point 14 °C
  • Clouds Clouds 52%
  • Feels Like Feels Like 25 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1023 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 16 km/h
  • Snowline Snowline 12795 ft
20:00 Scattered clouds 21° Scattered clouds
Feels Like 21°
Calm Northeast 13 - 24 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point 14 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 13 km/h
  • Pressure Pressure 1024 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 13123 ft
21:00 Scattered clouds 20° Scattered clouds
Feels Like 20°
Calm East 11 - 24 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 67%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1024 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 13451 ft
22:00 Scattered clouds 19° Scattered clouds
Feels Like 19°
Calm Northeast 9 - 19 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 72%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 50%
  • Feels Like Feels Like 19 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1025 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 19 km/h
  • Snowline Snowline 13451 ft
23:00 Scattered clouds 18° Scattered clouds
Feels Like 18°
Calm East 9 - 24 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 76%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 49%
  • Feels Like Feels Like 18 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 24 km/h
  • Snowline Snowline 13451 ft
24:00 Scattered clouds 17° Scattered clouds
Feels Like 17°
Calm East 11 - 19 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 78%
  • Dew Point Dew Point 13 °C
  • Clouds Clouds 35%
  • Feels Like Feels Like 17 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1026 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 19 km/h
  • Snowline Snowline 13123 ft

Sunrise and Sunset

Sunrise 06:00 Sunset 20:12
First light 05:30 Midday 13:05 Last light 20:41
Day length 14h 12m

Remaining daylight 5h 7m

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
11
Full Moon
12
Full Moon 		13
Full Moon 		14
Last Quarter 		15
Last Quarter 		16
Last Quarter 		17
Last Quarter 		18
Last Quarter
19
Last Quarter 		20
Last Quarter 		21
Last Quarter 		22
Last Quarter 		23
Last Quarter 		24
Last Quarter

Air quality in Herndon Junction today

Detail
55
Moderate O₃ (144 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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