# 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.