# Herndon Weather

## Location
Herndon, 20170, Virginia, United States

As of 21:22 GMT-4

## Current Weather
- Temperature: 79°F
- Condition: Mostly Cloudy Night
- Feels Like: 77°F
- High: 83°F
- Low: 68°F
- 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 |
|-------|---------------------|-------------|
| 0:00  | Mostly Cloudy Night | 77°F        |
| 1:00  | Mostly Cloudy Night | 77°F        |
| 2:00  | Mostly Cloudy Night | 76°F        |
| 3:00  | Mostly Cloudy Night | 76°F        |
| 4:00  | Mostly Cloudy Night | 77°F        |
| 5:00  | Mostly Cloudy Night | 76°F        |
| 6:00  | Mostly Cloudy Night | 75°F        |
| 7:00  | Partly Cloudy Day   | 69°F        |
| 8:00  | Partly Cloudy Day   | 76°F        |
| 9:00  | Mostly Cloudy Day   | 77°F        |
| 10:00 | Mostly Cloudy Day   | 77°F        |
| 11:00 | Cloudy              | 79°F        |
| 12:00 | Cloudy              | 78°F        |
| 13:00 | Cloudy              | 77°F        |
| 14:00 | Mostly Cloudy Day   | 76°F        |
| 15:00 | Mostly Cloudy Day   | 78°F        |
| 16:00 | Partly Cloudy Day   | 82°F        |
| 17:00 | Mostly Cloudy Day   | 82°F        |
| 18:00 | Mostly Cloudy Day   | 82°F        |
| 19:00 | Mostly Cloudy Day   | 80°F        |
| 20:00 | Cloudy              | 78°F        |
| 21:00 | Cloudy              | 77°F        |

## Wind
- Speed: 4 mph N

## Humidity
- 81%

## Air Quality
- Index: 61 (Moderate)
- Dew Point: 71°F
- Pressure: 30.05 in
- UV Index: 0 of 11
- Visibility: 10 mi
- Moon Phase: Waxing Crescent
- Sunrise: 6:21
- Sunset: 20:05

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

## 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.

## Health & Activities
- **Grass Pollen**: Moderate in your area.
- **Flu Risk**: Very Low in your area.