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Tropical Storm Erick to rapidly strengthen, may become major hurricane Chevron right
Heat wave to push temps near 100 F across central, eastern US Chevron right

Herndon, PA

70°F
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Herndon

Pennsylvania

70°
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Herndon, PA Weather
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8 AM

70°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 46%
Chevron down
Fog
alerts

Special Weather Statement

3:12 AM Wednesday - 9:00 AM Wednesday

RealFeel Shade™74°

WindS 5 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts6 mph

Humidity100%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Visibility0.50 mi

Cloud Ceiling500 ft

9 AM

72°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™76°

WindS 5 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts6 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility0.50 mi

Cloud Ceiling500 ft

10 AM

73°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 42%
Chevron down
Fog

RealFeel Shade™76°

WindS 5 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts5 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility0.50 mi

Cloud Ceiling500 ft

11 AM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Thunderstorms

RealFeel Shade™76°

WindSSW 5 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts5 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Rain0.08 in

Visibility1.00 mi

Cloud Ceiling1000 ft

12 PM

76°
RealFeel® 84°
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
Fog

RealFeel Shade™79°

WindSSW 5 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts6 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility2 mi

Cloud Ceiling1300 ft

1 PM

77°
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 45%
Chevron down
Fog

RealFeel Shade™81°

WindSSW 6 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts7 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility4 mi

Cloud Ceiling1600 ft

2 PM

77°
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 49%
Chevron down
Mostly cloudy

RealFeel Shade™81°

WindSSW 6 mph

Air QualityFair

Max UV Index3 (Moderate)

Wind Gusts8 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover87%

Visibility10 mi

Cloud Ceiling1800 ft

3 PM

78°
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 64%
Chevron down
Thunderstorms

RealFeel Shade™79°

WindSW 6 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts9 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover83%

Rain0.08 in

Visibility5 mi

Cloud Ceiling3600 ft

4 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 64%
Chevron down
Thunderstorms

RealFeel Shade™80°

WindSW 7 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts10 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Rain0.08 in

Visibility5 mi

Cloud Ceiling2000 ft

5 PM

80°
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 40%
Chevron down
Mostly cloudy

RealFeel Shade™84°

WindSW 7 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts10 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling7100 ft

6 PM

79°
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 34%
Chevron down
Intermittent clouds

RealFeel Shade™83°

WindSW 6 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts9 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover56%

Visibility10 mi

Cloud Ceiling9600 ft

7 PM

77°
RealFeel® 84°
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 24%
Chevron down
Partly sunny

RealFeel Shade™82°

WindSW 5 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts6 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover36%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly sunny

RealFeel Shade™81°

WindSW 5 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts6 mph

Humidity85%

Indoor Humidity85% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity87%

Indoor Humidity87% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

74°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity89%

Indoor Humidity89% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 6%
Chevron down
Mostly clear

WindSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity93%

Indoor Humidity93% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near Herndon:

  • Scranton, PA
  • Wilkes-Barre, PA
  • Williamsport, PA
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