# Hourly weather
Location: Herndon, 20170, Virginia, United States · as of 9:07 pm GMT-4

## Tomorrow's maximum UV index will be a little higher than today's

### Friday, 14 August

| Time   | Temperature | Condition           | Rain Drop | Humidity | Wind      | Pressure | Cloud Cover | Dew Point | UV Index | Visibility | Air Quality | Wind Gust |
|--------|-------------|---------------------|-----------|----------|-----------|----------|-------------|-----------|----------|------------|-------------|-----------|
| 21:15  | 77°         | Mostly Cloudy Night  | 2%        | 82%      | 4mph      | 30.1     | 59%         | 71°       | 0 of 11  | 10 mi      | 64 - Moderate| -         |
| 21:30  | 76°         | Mostly Cloudy Night  | 2%        | 84%      | 4mph      |          |             |           |          |            |             |           |
| 21:45  | 76°         | Mostly Cloudy Night  | 9%        | 84%      | 4mph      |          |             |           |          |            |             |           |
| 22:00  | 76°         | Partly Cloudy Night  | 8%        | 86%      | 4mph      |          |             |           |          |            |             |           |
| 22:15  | 75°         | Partly Cloudy Night  | 5%        | 87%      | 4mph      |          |             |           |          |            |             |           |
| 23:00  | 74°         | Partly Cloudy Night  | 2%        | 89%      | 4mph      |          |             |           |          |            |             |           |

### Saturday, 15 August

| Time   | Temperature | Condition           | Rain Drop | Humidity | Wind      | Pressure | Cloud Cover | Dew Point | UV Index | Visibility | Air Quality | Wind Gust |
|--------|-------------|---------------------|-----------|----------|-----------|----------|-------------|-----------|----------|------------|-------------|-----------|
| 0:00   | 74°         | Partly Cloudy Night  | 3%        | 91%      | 4mph      |          |             |           |          |            |             |           |
| 1:00   | 73°         | Partly Cloudy Night  | 3%        | 94%      | 3mph      |          |             |           |          |            |             |           |
| 2:00   | 72°         | Partly Cloudy Night  | 3%        | 97%      | 3mph      |          |             |           |          |            |             |           |
| 3:00   | 72°         | Partly Cloudy Night  | 3%        | 97%      | 3mph      |          |             |           |          |            |             |           |
| 4:00   | 71°         | Partly Cloudy Night  | 5%        | 97%      | 4mph      |          |             |           |          |            |             |           |
| 5:00   | 70°         | Partly Cloudy Night  | 8%        | 95%      | 4mph      |          |             |           |          |            |             |           |

### Sunday, 16 August

| Time   | Temperature | Condition           | Rain Drop | Humidity | Wind      | Pressure | Cloud Cover | Dew Point | UV Index | Visibility | Air Quality | Wind Gust |
|--------|-------------|---------------------|-----------|----------|-----------|----------|-------------|-----------|----------|------------|-------------|-----------|
| 0:00   | 76°         | Cloudy               | 9%        | 80%      | 4mph      |          |             |           |          |            |             |           |
| 1:00   | 75°         | Cloudy               | 9%        | 83%      | 4mph      |          |             |           |          |            |             |           |
| 2:00   | 75°         | Mostly Cloudy Night  | 12%       | 84%      | 5mph      |          |             |           |          |            |             |           |
| 3:00   | 75°         | Mostly Cloudy Night  | 9%        | 88%      | 5mph      |          |             |           |          |            |             |           |

## 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.