# Herndon Weather

## Location
Herndon, 20170, Virginia, United States

As of 9:22 pm GMT-4

**Now** 79° Feels Like 77°
- **High**: 83°
- **Low**: 68°
- **Chance of Rain**: 7%

## Today's outlook
Tonight's low temperature will be a little cooler than last night's.

### Hourly Forecast
| Time  | Condition         | Temp |  
|-------|-------------------|------|  
| 00:00 | Cloudy            | 77°  |  
| 01:00 | Mostly Cloudy Night| 77°  |  
| 02:00 | Mostly Cloudy Night| 76°  |  
| 03:00 | Mostly Cloudy Night| 76°  |  
| 04:00 | Mostly Cloudy Night| 77°  |  
| 05:00 | Mostly Cloudy Night| 76°  |  
| 06:00 | Mostly Cloudy Night| 75°  |  
| 07:00 | Cloudy            | 74°  |  
| 08:00 | Partly Cloudy Day | 76°  |  
| 09:00 | 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°  |  
| 21:00 | Cloudy            | 77°  |

#### Current Wind & Humidity
- **Wind**: 4 mph N
- **Humidity**: 81%

#### Air Quality
- **Index**: 61 - Moderate
- **Dew Point**: 71°
- **Pressure**: 30.05 in
- **UV Index**: 0 of 11
- **Visibility**: 10 mi

### Daily Forecast
| Date       | Condition          | Chance of Rain | Low | High |
|------------|---------------------|----------------|-----|------|
| Tonight    | Partly Cloudy Night | 8%             | 68° | 83°  |
| Sat 15    | Mostly Clear Day     | 7%             | 73° | 87°  |
| Sun 16    | Thunderstorms       | 81%            | 73° | 78°  |
| Mon 17    | Partly Cloudy Day    | 23%            | 68° | 89°  |
| Tue 18    | Mostly Clear Day     | 5%             | 65° | 85°  |
| Wed 19    | Mostly Clear Day     | 7%             | 71° | 88°  |
| Thu 20    | Scattered Thunderstorms | 52%          | 66° | 87°  |

## Air Quality Index
61 - Moderate 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.