# Herndon Weather

## Location
Herndon, 20170, Virginia, United States

As of 9:11 pm GMT-4

[Now79°78°77°\
\
Cloudy\
\
Cloudy\
\
Feels Like\
\
77°\
\
HHigh\
\
85°\
\
LLow\
\
69°\
\
Chance of Rain\
\
5%\
\
0 in](/content/en-SB/us/virginia/herndon/postcode/20170/hourbyhour/index.html)

## 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
Wind: 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
Sunrise: 06:21

## Sunset
Sunset: 20:05

# Daily Forecast
| Date       | Condition           | Chance of Rain | Low  | High |
|------------|---------------------|----------------|------|------|
| Tonight    | Scattered Showers    | 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°  |