Herndon, Virginia, United States (20170)
Lat: 38.97N, Lon: 77.39W
Wx Zone: VAZ053
Local Info
Latest Conditions  Past Conditions -  Metric Units
Mostly Cloudy82°F   28°C
Feels Like 86°F   30°C
Humidity 66%Barometer 30.09 in. 764.3 mm
Dew Point 70°FWind S 9 MPH
Visibility 10 mi. 
Reported 4.2 miles SW of Herndon, at 5:52 PM Tue, Jul 22, 2014

Herndon, Virginia, Weather Forecasts -  Metric Units

Days 1-7

Wed
Jul 23
Partly Cloudy with Patchy Fog
93°F
Thu
Jul 24
Mostly Cloudy with Scattered Storms
81°F
Fri
Jul 25
Partly Cloudy with Scattered Storms
82°F
Sat
Jul 26
Partly Cloudy
84°F
Sun
Jul 27
Partly Cloudy with Scattered Storms
84°F
Mon
Jul 28
Partly Cloudy with Scattered Storms
84°F
Tue
Jul 29
Partly Cloudy with Isolated Storms
82°F
72°F
68°F
68°F
72°F
72°F
63°F
55°F
Averages
88°F/66°F
Averages
88°F/66°F
Averages
88°F/66°F
Averages
88°F/66°F
Averages
88°F/66°F
Averages
88°F/66°F
Averages
88°F/66°F

Days 8-14

Tue
Jul 29
Partly Cloudy with Isolated Storms
82°F
54°F
WNW 7 MPH
Wed
Jul 30
Mostly Sunny with Scattered Showers
81°F
57°F
ENE 4 MPH
Thu
Jul 31
Mostly Sunny with Isolated Showers
82°F
63°F
SSW 4 MPH
Fri
Aug 1
Mostly Cloudy with Scattered Showers
81°F
59°F
SE 5 MPH
Sat
Aug 2
Partly Cloudy with Light Rain
86°F
59°F
NNE 2 MPH
Sun
Aug 3
Mostly Sunny with Isolated Showers
90°F
66°F
NNW 2 MPH
Mon
Aug 4
Mostly Cloudy with Light Rain
77°F
70°F
SSW 6 MPH

Next 18 hours

8PM
Tue
Partly Cloudy with Isolated Showers
79°F
S 8 MPH
POP 20%
11PM
Tue
Partly Cloudy
75°F
S 7 MPH
POP 20%
2AM
Wed
Partly Cloudy
70°F
SSW 6 MPH
POP 20%
5AM
Wed
Partly Cloudy
70°F
S 6 MPH
POP 20%
8AM
Wed
Partly Cloudy with Patchy Fog
73°F
SSW 7 MPH
POP 45%
Ht idx 86°
11AM
Wed
Partly Cloudy
84°F
SSW 8 MPH
POP 45%
Ht idx 93°
2PM
Wed
Partly Cloudy with Scattered Storms
90°F
SW 8 MPH
POP 45%
Ht idx 95°

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Tonight
Isolated ShowersPartly cloudy with isolated showers. Lows around 70°F. South wind to 8 MPH. Chance of precipitation near 20%.

Wednesday Jul 23
Patchy FogDay: Partly cloudy with patchy fog. Highs around 93°F. Heat index around 109°F. South southwest wind to 9 MPH.

Scattered StormsNight: Mostly cloudy with scattered storms. Lows around 72°F. West wind to 9 MPH. Chance of precipitation near 55%. New precipitation amounts up to one quarter inch possible.

Thursday Jul 24
Scattered StormsDay: Mostly cloudy with scattered storms. Highs around 81°F. North northwest wind to 10 MPH. Chance of precipitation near 55%. New precipitation amounts up to one quarter inch possible.

Scattered StormsNight: Partly cloudy with scattered storms. Lows around 68°F. North northwest wind to 7 MPH. Chance of precipitation near 55%.

Friday Jul 25
Scattered StormsDay: Partly cloudy with scattered storms. Highs around 82°F. Light wind. Chance of precipitation near 30%.

Scattered StormsNight: Partly cloudy with scattered storms. Lows around 68°F. Light wind.

Saturday Jul 26
Partly CloudyDay: Partly cloudy. Highs around 84°F. Southwest wind to 5 MPH.

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

Sunday Jul 27
Scattered StormsDay: Partly cloudy with scattered storms. Highs around 84°F. Light wind. Chance of precipitation near 50%.

Scattered StormsNight: Partly cloudy with scattered storms. Lows around 72°F. Light wind. Chance of precipitation near 50%.

Monday Jul 28
Scattered StormsDay: Partly cloudy with scattered storms. Highs around 84°F. West southwest wind 1 to 8 MPH, gusting to 12 MPH. Chance of precipitation near 40%.

Scattered StormsNight: Partly cloudy with scattered storms. Lows around 63°F. West southwest wind to 5 MPH. Chance of precipitation near 35%.


Sun & Moon  Monthly
Morning Twilight5:32 AMwaning crescent
Waning Crescent
Sunrise6:02 AM
Sunset8:29 PM
Evening Twilight9:00 PM
 

Weather Folklore
Wells gurgle and yield muddy water before a storm.
Herndon
Herndon
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