# 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            | Temperature |
|-------|----------------------|-------------|
| 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°         |

## Wind
- **Speed**: 4 mph N
- **Humidity**: 81%
- **Air Quality Index**: 63 - Moderate
- **Dew Point**: 71°
- **Pressure**: 30.05 in
- **UV Index**: 0 of 11
- **Visibility**: 10 mi
- **Moon Phase**: Waxing Crescent
- **Sunrise**: 06:21
- **Sunset**: 20:05

# 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
- **Air Quality**: 63 - 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.