Herndon, Virginia, United States (20170)
Lat: 38.97N, Lon: 77.39W
Wx Zone: VAZ053
Local Info
Latest Conditions   -  Past Conditions -  Metric Units Share on facebook Share on twitter
Mostly Cloudy 63°F   17°C
Feels Like 63°F
Humidity 52% Wind SW 8 MPH  
Dew Point 45°F Visibility 10SM
Barometer 29.94 in. 760.5 mm - Steady
Reported at Washington Dc, Washington-Dulles International Airport, VA
at 4:52 PM EDT MON OCT 20 2014

Herndon, Virginia, Weather Forecasts -  Metric Units

Days 1-7

Tue
Oct 21
Mostly Cloudy with Isolated Showers
68°F
Wed
Oct 22
Mostly Cloudy with Scattered Showers
57°F
Thu
Oct 23
Partly Cloudy with Isolated Showers
57°F
Fri
Oct 24
Mostly Sunny
63°F
Sat
Oct 25
Mostly Sunny
64°F
Sun
Oct 26
Mostly Sunny
66°F
Mon
Oct 27
Partly Cloudy
72°F
46°F
45°F
46°F
45°F
46°F
43°F
50°F
Averages
67°F/42°F
Averages
67°F/42°F
Averages
66°F/42°F
Averages
66°F/41°F
Averages
66°F/41°F
Averages
65°F/41°F
Averages
65°F/41°F

Days 8-14

Mon
Oct 27
Partly Cloudy
72°F
50°F
S 11 MPH
Tue
Oct 28
Partly Cloudy
70°F
52°F
SSW 8 MPH
Wed
Oct 29
Partly Cloudy
57°F
36°F
NW 15 MPH
Thu
Oct 30
Sunny
55°F
30°F
NNW 7 MPH
Fri
Oct 31
Sunny
59°F
34°F
SSE 4 MPH
Sat
Nov 1
Sunny
66°F
45°F
NE 9 MPH
Sun
Nov 2
Mostly Sunny
57°F
37°F
NNE 9 MPH

Next 18 hours


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Tonight
Scattered ShowersMostly cloudy with scattered showers. Lows around 46°F. South wind to 8 MPH. Chance of precipitation 30 percent.

Tuesday Oct 21
Isolated ShowersDay: Mostly cloudy with isolated showers. Highs around 68°F. South southwest wind to 8 MPH. Chance of precipitation 50 percent.

Scattered ShowersNight: Mostly cloudy with scattered showers. Lows around 46°F. Northwest wind to 9 MPH. Chance of precipitation 50 percent.

Wednesday Oct 22
Scattered ShowersDay: Mostly cloudy with scattered showers. Highs around 57°F. North northwest wind 9 to 16 MPH, gusting to 21 MPH. Chance of precipitation 40 percent. Precipitation amounts less than one tenth of an inch possible.

Scattered ShowersNight: Partly cloudy with scattered showers. Lows around 45°F. Wind chill around 41°F. Northwest wind to 11 MPH. Chance of precipitation 40 percent.

Thursday Oct 23
Isolated ShowersDay: Partly cloudy with isolated showers. Highs around 57°F. West northwest wind 8 to 13 MPH, gusting to 18 MPH. Chance of precipitation 20 percent.

Isolated ShowersNight: Partly cloudy with isolated showers. Lows around 46°F. West northwest wind to 10 MPH. Chance of precipitation 20 percent.

Friday Oct 24
Mostly SunnyDay: Mostly sunny. Highs around 63°F. West northwest wind to 12 MPH.

Mostly ClearNight: Mostly clear. Lows around 45°F. West northwest wind to 8 MPH.

Saturday Oct 25
Mostly SunnyDay: Mostly sunny. Highs around 64°F. West northwest wind to 8 MPH.

Mostly ClearNight: Mostly clear. Lows around 46°F. West northwest wind to 7 MPH.

Sunday Oct 26
Mostly SunnyDay: Mostly sunny. Highs around 66°F. Northwest wind to 7 MPH.

ClearNight: Clear. Lows around 43°F. Light wind.


Sun & Moon  Monthly
Morning Twilight 6:55 AM Waning Crescent Moon
Waning Crescent Moon
Sunrise 7:22 AM
Sunset 6:24 PM
Evening Twilight 6:51 PM
 

Continental United States Extremes
Sun's High Temperature: 97 at Harlingen Tx And Palm Springs Ca
Mon's Low Temperature: 10 at Mount Washington Nh
 

Weather Folklore
A summer thunderstorm that does not depress the barometer will be very local and of little consequence.
Herndon
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