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Herndon, VA

18°F
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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, December 15

Current Weather

8:19 AM

18°F
Mostly sunny
RealFeel® 16°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 15°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel®
16°
RealFeel Shade™
15°
Max UV Index
0.5 (Low)
Wind
WNW 5 mph
Wind Gusts
13 mph
Humidity
59%
Indoor Humidity
20% (Very Dry)
Dew Point
6° F
Pressure
↑ 30.47 in
Cloud Cover
16%
Visibility
10 mi
Cloud Ceiling
40000 ft

Day

12/15
29°Hi
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Brisk and quite cold with clouds and sunshine

Max UV Index1.0 (Low)

AccuLumen Brightness Index™4 (Dull)

WindW 14 mph

Wind Gusts29 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover64%

Morning

Afternoon

Night

12/15
16°Lo
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Clear to partly cloudy and cold

WindSW 6 mph

Wind Gusts8 mph

Probability of Precipitation1%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover16%

Evening

Overnight

Sun & Moon

9 hrs 27 mins
Rise 7:21 AM
Set 4:48 PM
Waning Crescent
Rise 3:21 AM
Set 1:44 PM

Temperature History

12/15
High
Low
Forecast
29°
16°
Average
46°
29°
Last Year
39°
32°
Record
71°
1971
5°
1989

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World North America United States Virginia Herndon

Weather Near Herndon:

  • Alexandria, VA
  • Germantown, MD
  • Washington, DC
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