Herndon, Virginia, United States (20170)
Lat: 38.97N, Lon: 77.39W
Wx Zone: VAZ053
Local Info
Latest Conditions  Past Conditions -  Metric Units
Clear70°F   21°C
Feels Like 70°F   21°C
Humidity 88%Wind Calm
Dew Point 66°FVisibility 7 mi.
Barometer 29.94 in. 760.5 mm - Rising Slowly
Reported 4.2 miles SW of Herndon at 1:52 AM Thu, Sep 3, 2015

Herndon, Virginia, Weather Forecasts -  Metric Units

Days 1-7

Thu
Sep 3
Partly Cloudy with Patchy Fog
91°F
Fri
Sep 4
Partly Cloudy with Isolated Showers
86°F
Sat
Sep 5
Partly Cloudy
84°F
Sun
Sep 6
Mostly Sunny
84°F
Mon
Sep 7
Mostly Sunny
88°F
Tue
Sep 8
Mostly Sunny
90°F
Wed
Sep 9
Partly Cloudy
88°F
73°F
70°F
66°F
66°F
70°F
72°F
70°F
Averages
84°F/61°F
Averages
84°F/61°F
Averages
83°F/61°F
Averages
83°F/60°F
Averages
83°F/60°F
Averages
82°F/60°F
Averages
82°F/59°F

Days 8-14

Thu
Sep 10
Mostly Sunny
82°F
70°F
SW 8 MPH
Fri
Sep 11
Mostly Cloudy with Isolated Showers
68°F
61°F
N 7 MPH
Sat
Sep 12
Mostly Sunny
73°F
57°F
NNW 10 MPH
Sun
Sep 13
Partly Cloudy with Isolated Showers
81°F
66°F
SSE 5 MPH
Mon
Sep 14
Mostly Sunny with Isolated Showers
81°F
66°F
ESE 7 MPH
Tue
Sep 15
Partly Cloudy with Scattered Showers
81°F
64°F
NW 7 MPH
Wed
Sep 16
Partly Cloudy with Isolated Showers
75°F
59°F
NW 7 MPH

Next 18 hours

11AM
Thu
Partly Cloudy
84°F
NW 7 MPH
Precip 30%
Ht idx 93°
5PM
Thu
Partly Cloudy with Isolated Storms
90°F
NW 8 MPH
Precip 30%
Ht idx 94°

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Tonight
Patchy FogPartly cloudy with patchy fog. Lows around 72°F. West northwest wind to 6 MPH.

Thursday Sep 3
Patchy FogDay: Partly cloudy with patchy fog. Highs around 91°F. Northwest wind to 8 MPH.

Scattered StormsNight: Partly cloudy with scattered thunderstorms. Lows around 73°F. North northwest wind to 6 MPH. Chance of precipitation 30 percent.

Friday Sep 4
Isolated ShowersDay: Partly cloudy with isolated showers. Highs around 86°F. North wind to 8 MPH. Chance of precipitation 30 percent.

Scattered StormsNight: Partly cloudy with scattered thunderstorms. Lows around 70°F. East wind to 8 MPH. Chance of precipitation 30 percent.

Saturday Sep 5
Partly CloudyDay: Partly cloudy. Highs around 84°F. Northeast wind to 8 MPH.

Mostly ClearNight: Mostly clear. Lows around 66°F. East southeast wind to 7 MPH.

Sunday Sep 6
Mostly SunnyDay: Mostly sunny. Highs around 84°F. Light wind.

Mostly ClearNight: Mostly clear. Lows around 66°F. Light wind.

Monday Sep 7
Mostly SunnyDay: Mostly sunny. Highs around 88°F. Light wind.

Mostly ClearNight: Mostly clear. Lows around 70°F. Light wind.

Tuesday Sep 8
Mostly SunnyDay: Mostly sunny. Highs around 90°F. Light wind.

Partly CloudyNight: Partly cloudy. Lows around 72°F. Light wind.


Sun & Moon  Monthly
Morning Twilight6:13 AMwaning gibbous
Waning Gibbous
Sunrise6:40 AM
Sunset7:36 PM
Evening Twilight8:03 PM
 

Contiguous United States Extremes
Wed's High Temperature: 110 at Death Valley Ca
Wed's Low Temperature: 25 at Bodie State Park Ca
 

Weather Folklore
If the perfume of flowers is unusually perceptible, expect rain.

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