# Herndon Weather

**Location:** Herndon, 20170, Virginia, United States  
As of 9:11 pm GMT-4

**Current Weather:**  
- Now: 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.

| 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°         |
| 06:21  | Sunrise                | -           |
| 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°         |
| 20:05  | Sunset                 | -           |
| 22:00  | Partly Cloudy Night    | 76°         |
| 23:00  | Partly Cloudy Night    | 75°         |
| 00:00  | Partly Cloudy Night    | 74°         |
| 01:00  | Partly Cloudy Night    | 72°         |
| 02:00  | Partly Cloudy Night    | 72°         |
| 03:00  | Partly Cloudy Night    | 71°         |
| 04:00  | Partly Cloudy Night    | 70°         |
| 05:00  | Partly Cloudy Night    | 70°         |
| 06:00  | Partly Cloudy Night    | 70°         |
| 07:00  | Partly Cloudy Day      | 70°         |

**Wind:** 4 mph N  
**Humidity:** 81%  
**Air Quality Index:** 63 - Moderate  
**Dew Point:** 71°  
**Pressure:** 30.04 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  | 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
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.