# Herndon Weather

Location
Herndon, 20170, Virginia, United States

·

As of 9:11 pm GMT-4

Now 79° 78° 77°  
Cloudy  
Cloudy  
Feels Like  
77°  
H High  
85°  
L Low  
69°  
Chance of Rain  
5%  
0 in

## 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°         |

Wind
Wind
4 mph N

Humidity
81%  
Air Quality
63 - Moderate  
Dew Point
71°  
Pressure
30.04 in  
UV Index
0 of 11  
Visibility
10 mi  
Waxing Crescent
Moon Phase

Sunrise

Sunrise

Sunset

Sunset

# Daily Forecast

- Tonight: Scattered Showers Night 39%, Showers Early, 69°, 85°
- Sat 15: Partly Cloudy Day 7%, Partly Cloudy, 73°, 87°
- Sun 16: Thunderstorms 89%, T-Storms, 74°, 81°
- Mon 17: Partly Cloudy Day 15%, Partly Cloudy, 68°, 90°
- Tue 18: Mostly Clear Day 5%, Mostly Sunny, 65°, 85°
- Wed 19: Mostly Clear Day 7%, Mostly Sunny, 72°, 88°
- Thu 20: Scattered Thunderstorms 50%, PM T-Storms, 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.

## Health & Activities

- Grass: Seasonal Allergies and Pollen Count Forecast, Grass pollen is moderate in your area.
- Flu: Cold & Flu Forecast, Flu risk is very low in your area.