Herndon, Virginia, United States (20170)
Lat: 38.97N, Lon: 77.39W
Wx Zone: VAZ053
Local Info
Latest Conditions  Past Conditions -  Metric Units
Mostly Sunny66°F   19°C
Feels Like 66°F   19°C
Humidity 23%Wind WNW 3 MPH Gusts 9
Dew Point 27°F
Barometer 30.48 in. 774.2 mm - Rising
Reported from MADIS station VA039, 1.3 miles SW of Herndon, at 11:29 AM Sat, May 23, 2015
Click here for closest NWS station conditions

Herndon, Virginia, Weather Forecasts -  Metric Units

Days 1-7

Sat
May 23
Mostly Sunny
72°F
Sun
May 24
Partly Cloudy
81°F
Mon
May 25
Partly Cloudy
88°F
Tue
May 26
Partly Cloudy
93°F
Wed
May 27
Partly Cloudy with Scattered Storms
93°F
Thu
May 28
Partly Cloudy with Scattered Storms
93°F
Fri
May 29
Partly Cloudy with Isolated Showers
91°F
52°F
61°F
70°F
73°F
73°F
73°F
64°F
Averages
77°F/53°F
Averages
77°F/54°F
Averages
77°F/54°F
Averages
78°F/54°F
Averages
78°F/55°F
Averages
78°F/55°F
Averages
79°F/56°F

Days 8-14

Sat
May 30
Partly Cloudy with Isolated Storms
79°F
66°F
S 7 MPH
Sun
May 31
Sunny
90°F
70°F
SSW 10 MPH
Mon
Jun 1
Partly Cloudy with Isolated Showers
88°F
72°F
SW 7 MPH
Tue
Jun 2
Mostly Sunny with Showers
90°F
68°F
WSW 13 MPH
Wed
Jun 3
Partly Cloudy with Isolated Showers
70°F
57°F
N 16 MPH
Thu
Jun 4
Mostly Sunny
73°F
55°F
SE 10 MPH
Fri
Jun 5
Partly Cloudy
86°F
64°F
S 12 MPH

Next 18 hours


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Today
Mostly SunnyDay: Mostly sunny. Highs around 72°F. Light wind.

Mostly ClearNight: Mostly clear. Lows around 52°F. South wind to 6 MPH.

Sunday May 24
Partly CloudyDay: Partly cloudy. Highs around 81°F. South southwest wind to 7 MPH.

Partly CloudyNight: Partly cloudy. Lows around 61°F. South wind to 6 MPH.

Monday May 25
Partly CloudyDay: Partly cloudy. Highs around 88°F. Heat index around 93°F. Southwest wind 6 to 14 MPH, gusting to 21 MPH.

Partly CloudyNight: Partly cloudy. Lows around 70°F. South wind to 11 MPH.

Tuesday May 26
Partly CloudyDay: Partly cloudy. Highs around 93°F. Heat index around 102°F. South southwest wind to 7 MPH, gusting to 15 MPH.

Partly CloudyNight: Partly cloudy. Lows around 73°F. South wind to 7 MPH, gusting to 15 MPH.

Wednesday May 27
Scattered StormsDay: Partly cloudy with scattered storms. Highs around 93°F. Heat index around 102°F. South southwest wind to 6 MPH, gusting to 13 MPH. Chance of precipitation 30 percent.

Scattered StormsNight: Partly cloudy with scattered storms. Lows around 73°F. South wind to 5 MPH. Chance of precipitation 30 percent.

Thursday May 28
Scattered StormsDay: Partly cloudy with scattered storms. Highs around 93°F. Heat index around 104°F. Light wind. Chance of precipitation 30 percent.

Scattered StormsNight: Partly cloudy with scattered storms. Lows around 73°F. Light wind. Chance of precipitation 30 percent.

Friday May 29
Isolated ShowersDay: Partly cloudy with isolated showers. Highs around 91°F. Heat index around 101°F. Light wind. Chance of precipitation 30 percent.


Sun & Moon  Monthly
Morning Twilight5:19 AMwaxing crescent
Waxing Crescent
Sunrise5:50 AM
Sunset8:22 PM
Evening Twilight8:53 PM
 

Continental United States Extremes
Fri's High Temperature: 97 at Winter Haven Fl
 

Weather Folklore
When corn fodder stands all dry and crisp, go on your outing, there's no great risk.

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