# Herndon Weather

## Location
Herndon, 20170, Virginia, United States

As of 9:11 pm GMT-4

### Current Weather
- **Temperature:** 79°
- **Condition:** Cloudy
- **Feels Like:** 77°
- **High:** 85°
- **Low:** 69°
- **Chance of Rain:** 5%

## Today's outlook
Tonight's low temperature will be nearly the same as 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°         |
| 22:00  | Partly Cloudy Night     | 76°         |
| 23:00  | Partly Cloudy Night     | 75°         |

### Wind
- **Wind Speed:** 4 mph N

### Humidity
- **Humidity:** 81%

### Air Quality
- **Air Quality Index:** 63 - Moderate

### Dew Point
- **Dew Point:** 71°

### Pressure
- **Pressure:** 30.04 in

### UV Index
- **UV Index:** 0 of 11

### Visibility
- **Visibility:** 10 mi

### Moon Phase
- **Moon Phase:** Waxing Crescent
- **Sunrise:** 06:21
- **Sunset:** 20:05

# Daily Forecast
| Date       | Condition                  | Chance of Rain | Low | High |
|------------|----------------------------|----------------|-----|------|
| 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
- **Score:** 63 - Moderate
- Air quality is acceptable; however, for some pollutants, there may be a moderate health concern for those unusually sensitive to air pollution.

## Health & Activities
- Grass pollen is moderate in your area.
- Flu risk is very low in your area.