# 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-PK/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°         |
| 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: 4mph N  
Humidity: 81%  
Air Quality: 63 - Moderate  
Dew Point: 71°  
Pressure: 30.04in  
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.