Weather forecast and conditions for Herndon, 20170, Virginia, United States - The Weather Channel | weather.com
Herndon Weather
Location
Herndon, 20170, Virginia, United States
·
As of 21:02 GMT-4
Current Weather
- Now: 79°
- Feels Like: 77°
- High: 85°
- Low: 69°
- Chance of Rain: 8%
Today's outlook
Tonight's low temperature will be nearly the same as last night's.
| Time | Condition | Temperature |
|---|---|---|
| 0:00 | Cloudy | 77° |
| 1:00 | Mostly Cloudy Night | 77° |
| 2:00 | Mostly Cloudy Night | 76° |
| 3:00 | Mostly Cloudy Night | 76° |
| 4:00 | Mostly Cloudy Night | 77° |
| 5:00 | Mostly Cloudy Night | 76° |
| 6:00 | Mostly Cloudy Night | 75° |
| 7:00 | Cloudy | 74° |
| 8:00 | Partly Cloudy Day | 76° |
| 9:00 | Mostly Cloudy Day | 77° |
| 10:00 | Mostly Cloudy Day | 77° |
| 11:00 | Cloudy | 79° |
| 12:00 | Cloudy | 78° |
| 13:00 | Cloudy | 77° |
| 14:00 | Mostly Cloudy Day | 76° |
| 15:00 | Mostly Cloudy Day | 78° |
| 16:00 | Partly Cloudy Day | 82° |
| 17:00 | Mostly Cloudy Day | 82° |
| 18:00 | Mostly Cloudy Day | 82° |
| 19:00 | Mostly Cloudy Day | 80° |
| 20:00 | Cloudy | 78° |
Wind
- Speed: 4mph NNE
Humidity
- Level: 81%
Air Quality
- Index: 63 - Moderate
Dew Point
- Temp: 71°
Pressure
- Level: 30.04 in
UV Index
- Level: 0 of 11
Visibility
- Distance: 10 mi
Moon Phase
- Current: Waxing Crescent
- Sunrise: 6:21
- Sunset: 20:05
Daily Forecast
- Tonight: Scattered Showers Night, 39%, 69° / 85°
- Sat 15: Partly Cloudy Day, 7%, 73° / 87°
- Sun 16: Thunderstorms, 89%, 74° / 81°
- Mon 17: Partly Cloudy Day, 15%, 68° / 90°
- Tue 18: Mostly Clear Day, 5%, 65° / 85°
- Wed 19: Mostly Clear Day, 7%, 72° / 88°
- Thu 20: Scattered Thunderstorms, 50%, 65° / 87°
Air Quality Index
- Value: 63
- Condition: Moderate
- Description: Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.