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Increasing flash flood threat looms in Texas as heat scorches recovery zone. Click for details Chevron right

Herndon, VA

80°F
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Herndon, VA Weather
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Today

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6 PM

79°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
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Thunderstorms
alerts

Flash Flood Warning

4:49 PM Saturday - 8:00 PM Saturday

RealFeel Shade™82°

WindSE 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts18 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.05 in

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

79°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny
alerts

Flash Flood Warning

4:49 PM Saturday - 8:00 PM Saturday

RealFeel Shade™85°

WindSE 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts16 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

82°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
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Partly sunny

RealFeel Shade™90°

WindSE 7 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts15 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

81°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
Chevron down
Partly cloudy w/ t-storms

WindSE 7 mph

Air QualityFair

Wind Gusts14 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Rain0.04 in

Visibility7 mi

Cloud Ceiling30000 ft

10 PM

79°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Partly cloudy

WindSE 6 mph

Air QualityFair

Wind Gusts14 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

77°
RealFeel® 83°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 32%
Chevron down
Partly cloudy

WindSE 6 mph

Air QualityFair

Wind Gusts14 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Virginia Herndon

Weather Near Herndon:

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