Herndon, Virginia, United States (20170)
Lat: 38.97N, Lon: 77.39W
Wx Zone: VAZ053
Local Info
Latest Conditions  Past Conditions -  Metric Units
Clear75°F   24°C
Feels Like 75°F   24°C
Humidity 65%Wind SSW 3 MPH
Dew Point 63°FVisibility 10 mi.
Barometer 29.88 in. 759 mm - Rising Slowly
Reported 4.2 miles SW of Herndon at 8:52 PM Fri, Jul 31, 2015

Herndon, Virginia, Weather Forecasts -  Metric Units

Days 1-7

Sat
Aug 1
Mostly Sunny
88°F
Sun
Aug 2
Mostly Sunny
90°F
Mon
Aug 3
Partly Cloudy with Isolated Storms
93°F
Tue
Aug 4
Partly Cloudy with Isolated Storms
88°F
Wed
Aug 5
Partly Cloudy with Isolated Storms
88°F
Thu
Aug 6
Partly Cloudy with Scattered Storms
86°F
Fri
Aug 7
Partly Cloudy with Isolated Storms
82°F
66°F
72°F
73°F
73°F
72°F
70°F
72°F
Averages
88°F/65°F
Averages
88°F/65°F
Averages
88°F/65°F
Averages
88°F/65°F
Averages
88°F/65°F
Averages
87°F/65°F
Averages
87°F/65°F

Days 8-14

Sat
Aug 8
Few Clouds with Chance of Rain
90°F
73°F
WNW 8 MPH
Sun
Aug 9
Sunny
82°F
66°F
WNW 10 MPH
Mon
Aug 10
Partly Cloudy
84°F
64°F
SSE 8 MPH
Tue
Aug 11
Mostly Sunny
86°F
70°F
SE 7 MPH
Wed
Aug 12
Partly Cloudy with Light Rain
79°F
70°F
E 6 MPH
Thu
Aug 13
Mostly Sunny with Isolated Showers
86°F
68°F
ENE 7 MPH
Fri
Aug 14
Sunny
86°F
68°F
SE 7 MPH

Next 18 hours


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Tonight
Mostly ClearMostly clear. Lows around 66°F. West wind to 6 MPH.

Saturday Aug 1
Mostly SunnyDay: Mostly sunny. Highs around 88°F. West wind 4 to 11 MPH.

Mostly ClearNight: Mostly clear. Lows around 66°F. West northwest wind to 8 MPH.

Sunday Aug 2
Mostly SunnyDay: Mostly sunny. Highs around 90°F. West wind to 6 MPH.

Mostly ClearNight: Mostly clear. Lows around 72°F. South southwest wind to 6 MPH.

Monday Aug 3
Isolated StormsDay: Partly cloudy with isolated storms. Highs around 93°F. West southwest wind to 8 MPH. Chance of precipitation 20 percent.

Isolated StormsNight: Partly cloudy with isolated storms. Lows around 73°F. Southwest wind to 7 MPH. Chance of precipitation 20 percent.

Tuesday Aug 4
Isolated StormsDay: Partly cloudy with isolated storms. Highs around 88°F. West wind to 8 MPH, gusting to 20 MPH. Chance of precipitation 20 percent.

Isolated StormsNight: Partly cloudy with isolated storms. Lows around 73°F. Light wind. Chance of precipitation 20 percent.

Wednesday Aug 5
Isolated StormsDay: Partly cloudy with isolated storms. Highs around 88°F. Northwest wind to 6 MPH. Chance of precipitation 40 percent.

Isolated StormsNight: Partly cloudy with isolated storms. Lows around 72°F. Light wind. Chance of precipitation 40 percent.

Thursday Aug 6
Scattered StormsDay: Partly cloudy with scattered storms. Highs around 86°F. Light wind. Chance of precipitation 40 percent.

Scattered StormsNight: Partly cloudy with scattered storms. Lows around 70°F. Light wind. Chance of precipitation 40 percent.


Sun & Moon  Monthly
Morning Twilight5:40 AMfull moon
Full Moon
Sunrise6:10 AM
Sunset8:21 PM
Evening Twilight8:51 PM
 

Contiguous United States Extremes
Fri's High Temperature: 118 at Death Valley Ca
Fri's Low Temperature: 32 at West Yellowstone Gate Mt
 

Weather Folklore
When walls are wet, expect some rain.

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