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Two tropical threats brewing as Hurricane Gabrielle churns over Atlantic. Get the forecast. Chevron right

Mercersburg, PA

63°F
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Mercersburg

Pennsylvania

63°
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Mercersburg, PA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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9 AM

64°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 41%
Chevron down
Showers

RealFeel Shade™64°

WindNNE 4 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts5 mph

Humidity86%

Indoor Humidity75% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility0.50 mi

Cloud Ceiling500 ft

10 AM

68°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 37%
Chevron down
Fog

RealFeel Shade™69°

WindE 4 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts5 mph

Humidity93%

Indoor Humidity93% (Humid)

Dew Point66° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility0.50 mi

Cloud Ceiling500 ft

11 AM

72°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 22%
Chevron down
Fog

RealFeel Shade™72°

WindESE 5 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts5 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility1.00 mi

Cloud Ceiling1000 ft

12 PM

73°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 22%
Chevron down
Fog

RealFeel Shade™73°

WindSE 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts7 mph

Humidity80%

Indoor Humidity80% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility2 mi

Cloud Ceiling1500 ft

1 PM

75°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 26%
Chevron down
Fog

RealFeel Shade™75°

WindSSE 6 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts7 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility4 mi

Cloud Ceiling2000 ft

2 PM

76°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™76°

WindSSE 7 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts8 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 ft

3 PM

75°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

RealFeel Shade™76°

WindSSE 6 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts7 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling5500 ft

4 PM

74°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 40%
Chevron down
Cloudy

RealFeel Shade™76°

WindSE 6 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts7 mph

Humidity79%

Indoor Humidity79% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling3900 ft

5 PM

73°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 70%
Chevron down
Showers

RealFeel Shade™72°

WindESE 6 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity83%

Indoor Humidity83% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.05 in

Visibility5 mi

Cloud Ceiling2400 ft

6 PM

73°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 70%
Chevron down
Showers

RealFeel Shade™71°

WindESE 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts7 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Rain0.05 in

Visibility5 mi

Cloud Ceiling2200 ft

7 PM

72°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 70%
Chevron down
Showers

RealFeel Shade™70°

WindSE 6 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts7 mph

Humidity86%

Indoor Humidity86% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Rain0.05 in

Visibility5 mi

Cloud Ceiling1900 ft

8 PM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity92%

Indoor Humidity92% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling1700 ft

9 PM

69°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling1600 ft

10 PM

70°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 54%
Chevron down
Thunderstorms

WindSSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity94%

Indoor Humidity94% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Rain0.05 in

Visibility5 mi

Cloud Ceiling1400 ft

11 PM

70°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity95%

Indoor Humidity95% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling1300 ft

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World North America United States Pennsylvania Mercersburg

Weather Near Mercersburg:

  • Harrisburg, PA
  • Lancaster, PA
  • York, PA
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