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100+ F in Phoenix as record-shattering March scorcher intensifies. See how hot it will get. Chevron right

Mercersburg, PA

21°F
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Mercersburg

Pennsylvania

21°
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Mercersburg, PA Weather
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5 AM

20°
RealFeel® 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
rain drop 0%
Chevron down
Mostly clear

WindWSW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity71%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

22°
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
rain drop 0%
Chevron down
Mostly clear

WindSW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity66%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

24°
RealFeel® 21°
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
rain drop 0%
Chevron down
Mostly clear

WindSW 6 mph

Air QualityExcellent

Wind Gusts7 mph

Humidity62%

Indoor Humidity26% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

24°
RealFeel® 26°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™26°

WindNW 4 mph

Air QualityExcellent

Max UV Index0.4 (Low)

Wind Gusts5 mph

Humidity57%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling20000 ft

9 AM

27°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™29°

WindNW 2 mph

Air QualityExcellent

Max UV Index1.1 (Low)

Wind Gusts4 mph

Humidity51%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover82%

Visibility10 mi

Cloud Ceiling23300 ft

10 AM

29°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™31°

WindN 2 mph

Air QualityExcellent

Max UV Index2.0 (Low)

Wind Gusts2 mph

Humidity45%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility10 mi

Cloud Ceiling26700 ft

11 AM

31°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™32°

WindSE 4 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts4 mph

Humidity40%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

34°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™31°

WindSSE 6 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts7 mph

Humidity36%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover79%

Visibility10 mi

Cloud Ceiling24900 ft

1 PM

36°
RealFeel® 37°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™31°

WindSSE 7 mph

Air QualityFair

Max UV Index2.7 (Moderate)

Wind Gusts9 mph

Humidity32%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover85%

Visibility10 mi

Cloud Ceiling19800 ft

2 PM

38°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™31°

WindS 8 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts12 mph

Humidity30%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14700 ft

3 PM

39°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™32°

WindS 9 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts13 mph

Humidity29%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling18500 ft

4 PM

39°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™32°

WindS 9 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts14 mph

Humidity29%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling22300 ft

5 PM

40°
RealFeel® 35°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™33°

WindS 9 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts15 mph

Humidity29%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling26200 ft

6 PM

38°
RealFeel® 32°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™32°

WindS 8 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity32%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling22300 ft

7 PM

35°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 1%
Chevron down
Mostly cloudy

RealFeel Shade™30°

WindSSE 7 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts12 mph

Humidity37%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling18500 ft

8 PM

34°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 3%
Chevron down
Cloudy

WindSE 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity41%

Indoor Humidity26% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling14700 ft

9 PM

32°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 3%
Chevron down
Cloudy

WindSE 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity46%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility10 mi

Cloud Ceiling12100 ft

10 PM

31°
RealFeel® 27°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 3%
Chevron down
Cloudy

WindSE 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity48%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9600 ft

11 PM

32°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 3%
Chevron down
Cloudy

WindSE 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity49%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling7100 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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