Herndon, Virginia, United States (20170)
Lat: 38.97N, Lon: 77.39W
Wx Zone: VAZ053
Local Info
Latest Conditions  Past Conditions -  Metric Units
Mostly Cloudy69°F   21°C
Feels Like 69°F   21°C
Humidity 39%Wind NE 6 MPH
Dew Point 43°FVisibility 10 mi.
Barometer 30.21 in. 767.3 mm - Rising Slowly
Reported 4.2 miles SW of Herndon at 12:52 PM Sun, Sep 25, 2016

Herndon, Virginia, Weather Forecasts -  Metric Units

Days 1-7

Sun
Sep 25
Partly Cloudy
72°F
Mon
Sep 26
Mostly Cloudy with Isolated Showers
72°F
Tue
Sep 27
Partly Cloudy with Light Showers Likely
73°F
Wed
Sep 28
Partly Cloudy with Scattered Showers
73°F
Thu
Sep 29
Partly Cloudy with Scattered Showers
72°F
Fri
Sep 30
Partly Cloudy with Scattered Showers
73°F
Sat
Oct 1
Mostly Sunny with Isolated Showers
72°F
52°F
57°F
52°F
55°F
55°F
57°F
48°F
Averages
76°F/52°F
Averages
75°F/52°F
Averages
75°F/51°F
Averages
75°F/51°F
Averages
74°F/50°F
Averages
74°F/50°F
Averages
73°F/50°F

Days 8-14

Sun
Oct 2
Partly Cloudy
73°F
50°F
ENE 6 MPH
Mon
Oct 3
Sunny
73°F
52°F
ESE 8 MPH
Tue
Oct 4
Mostly Sunny
73°F
54°F
E 6 MPH
Wed
Oct 5
Partly Cloudy with Isolated Showers
63°F
54°F
E 7 MPH
Thu
Oct 6
Cloudy with Drizzle
68°F
61°F
NE 18 MPH
Fri
Oct 7
Cloudy with Drizzle
64°F
63°F
NNE 22 MPH
Sat
Oct 8
Cloudy with Heavy Rain
63°F
61°F
NNE 19 MPH

Next 18 hours

2PM
Sun
Partly Cloudy
70°F
E 3 MPH
 
5PM
Sun
Mostly Sunny
72°F
SE 3 MPH
 
8PM
Sun
Mostly Clear
63°F
SE 3 MPH
 
11PM
Sun
Mostly Clear
55°F
SSE 3 MPH
 
2AM
Mon
Partly Cloudy
54°F
SSE 3 MPH
 
5AM
Mon
Partly Cloudy
52°F
SSE 5 MPH
 
8AM
Mon
Mostly Cloudy
54°F
SSE 7 MPH
 

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Today
Partly CloudyDay: Partly cloudy. Highs around 72°F. Northeast wind to 5 MPH.

Partly CloudyNight: Partly cloudy. Lows around 52°F. Southeast wind to 5 MPH.

Monday Sep 26
Isolated ShowersDay: Mostly cloudy with isolated showers. Highs around 72°F. South southeast wind 5 to 11 MPH, gusting to 17 MPH.

Isolated ShowersNight: Mostly cloudy with isolated showers. Lows around 57°F. South wind 5 to 10 MPH, gusting to 16 MPH. Chance of precipitation 20 percent. New precipitation amounts from one quarter to one half of an inch possible.

Tuesday Sep 27
ShowersDay: Partly cloudy with showers likely. Highs around 73°F. Northwest wind to 7 MPH. Chance of precipitation 70 percent.

Partly CloudyNight: Partly cloudy. Lows around 52°F. Light wind.

Wednesday Sep 28
Scattered ShowersDay: Partly cloudy with scattered showers. Highs around 73°F. Light wind. Chance of precipitation 20 percent.

Scattered ShowersNight: Partly cloudy with scattered showers. Lows around 55°F. Light wind. Chance of precipitation 30 percent.

Thursday Sep 29
Scattered ShowersDay: Partly cloudy with scattered showers. Highs around 72°F. North wind to 8 MPH. Chance of precipitation 30 percent.

Scattered ShowersNight: Partly cloudy with scattered showers. Lows around 55°F. North wind to 7 MPH. Chance of precipitation 30 percent.

Friday Sep 30
Scattered ShowersDay: Partly cloudy with scattered showers. Highs around 73°F. North wind to 8 MPH. Chance of precipitation 20 percent.

Isolated ShowersNight: Partly cloudy with isolated showers. Lows around 57°F. North northeast wind to 5 MPH. Chance of precipitation 20 percent.

Saturday Oct 1
Isolated ShowersDay: Mostly sunny with isolated showers. Highs around 72°F. North northwest wind to 5 MPH. Chance of precipitation 20 percent.


Sun & Moon  Monthly
Morning Twilight6:34 AMwaning crescent
Waning Crescent
Sunrise7:01 AM
Sunset7:00 PM
Evening Twilight7:26 PM
 

Contiguous United States Extremes
Sat's High Temperature: 103 at Mcallen Tx
Sun's Low Temperature: 23 at Mount Washington Nh
 

Weather Folklore
When lookout mountain has its cap on, it will rain in six hours.

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