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 9:02 PM EDT

Now

79°

Cloudy
Feels Like: 77°
High: 85°
Low: 69°
Chance of Rain: 8%
0 in

Today's Outlook

Tonight's low temperature will be nearly the same as last night's.

Hourly Forecast

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	Partly Cloudy Day	70°
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	74°
00:00	Partly Cloudy Night	74°
01:00	Partly Cloudy Night	73°
02:00	Partly Cloudy Night	72°
03:00	Partly Cloudy Night	72°
04:00	Partly Cloudy Night	71°
05:00	Partly Cloudy Night	70°
06:00	Partly Cloudy Night	70°

Wind

Wind: 4mph NNE

Humidity

Humidity: 81%

Air Quality

Air Quality Index: 61 - Moderate

Dew Point

Dew Point: 71°

Pressure

Pressure: 30.04 in

UV Index

UV Index: 0 of 11

Visibility

10 mi

Moon Phase

Waxing Crescent

Sunrise

Sunset

Daily Forecast

Date	Condition	Rain Chance	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°

Air Quality Index

61 - 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.