Weather forecast and conditions for Herndon, 20170, Virginia, United States - The Weather Channel | weather.com
Herndon Weather
Location
Herndon, 20170, Virginia, United States
·
As of 9:22 pm GMT-4
Now79°78°77°
Mostly Cloudy Night
Mostly Cloudy
Feels Like
77°
HHigh
83°
LLow
68°
Chance of Rain
7%
0 in
Today's outlook
Tonight's low temperature will be a little cooler than 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° |
| 21:00 | Cloudy | 77° |
Now
Mostly Cloudy Night
77°
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
Mostly Clear Night
70°
06:00
Partly Cloudy Night
69°
07:00
Partly Cloudy Day
69°
Wind
Wind: 4 mph N
Humidity: 81%
Air Quality: 63 - Moderate
Dew Point: 71°
Pressure: 30.05 in
UV Index: 0 of 11
Visibility: 10 mi
Moon Phase: Waxing Crescent
Daily Forecast
| Date | Condition | Chance of Rain | Low | High |
|---|---|---|---|---|
| Tonight | Partly Cloudy Night | 8% | 68° | 83° |
| Sat 15 | Mostly Clear Day | 7% | 73° | 87° |
| Sun 16 | Thunderstorms | 81% | 73° | 78° |
| Mon 17 | Partly Cloudy Day | 23% | 68° | 89° |
| Tue 18 | Mostly Clear Day | 5% | 65° | 85° |
| Wed 19 | Mostly Clear Day | 7% | 71° | 88° |
| Thu 20 | Scattered Thunderstorms | 52% | 66° | 87° |
Air Quality Index
Index: 63
Level: 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.