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Cold blast to make it feel like mid-winter across eastern U.S. Get the forecast. Chevron right

Mercersburg, PA

27°F
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Mercersburg

Pennsylvania

27°
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Mercersburg, PA Weather
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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

2 AM

30°
RealFeel® 28°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSSE 5 mph

Air QualityPoor

Wind Gusts7 mph

Humidity99%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

31°
RealFeel® 29°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSE 5 mph

Air QualityPoor

Wind Gusts8 mph

Humidity93%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

33°
RealFeel® 30°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSE 5 mph

Air QualityPoor

Wind Gusts9 mph

Humidity88%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

34°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSE 5 mph

Air QualityPoor

Wind Gusts8 mph

Humidity83%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

35°
RealFeel® 33°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSE 6 mph

Air QualityPoor

Wind Gusts8 mph

Humidity78%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

37°
RealFeel® 29°
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™29°

WindS 10 mph

Air QualityPoor

Max UV Index0.0 (Low)

Wind Gusts12 mph

Humidity74%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

39°
RealFeel® 30°
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™30°

WindS 12 mph

Air QualityPoor

Max UV Index0.5 (Low)

Wind Gusts13 mph

Humidity72%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

44°
RealFeel® 36°
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™36°

WindS 13 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts24 mph

Humidity62%

Indoor Humidity40% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling23900 ft

10 AM

49°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™41°

WindSSW 15 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts27 mph

Humidity53%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling23900 ft

11 AM

52°
RealFeel® 46°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™44°

WindSSW 16 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts30 mph

Humidity50%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling23900 ft

12 PM

55°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Cloudy

RealFeel Shade™48°

WindSSW 17 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts32 mph

Humidity46%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling23900 ft

1 PM

58°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™52°

WindSSW 14 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts27 mph

Humidity44%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling23800 ft

2 PM

60°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™55°

WindSSW 15 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts25 mph

Humidity42%

Indoor Humidity32% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling23800 ft

3 PM

60°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 24%
Chevron down
Cloudy

RealFeel Shade™54°

WindSSW 16 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts25 mph

Humidity45%

Indoor Humidity34% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling23800 ft

4 PM

59°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 47%
Chevron down
Cloudy

RealFeel Shade™52°

WindSSW 16 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts24 mph

Humidity49%

Indoor Humidity35% (Slightly Dry)

Dew Point40° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling6200 ft

5 PM

57°
RealFeel® 49°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 51%
Chevron down
Showers

RealFeel Shade™49°

WindSSW 14 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts23 mph

Humidity55%

Indoor Humidity38% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

6 PM

57°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 43%
Chevron down
Cloudy

WindSSW 8 mph

Air QualityFair

Wind Gusts21 mph

Humidity60%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling4600 ft

7 PM

56°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Showers

WindS 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity64%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

8 PM

56°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 58%
Chevron down
Showers

WindS 10 mph

Air QualityFair

Wind Gusts16 mph

Humidity70%

Indoor Humidity46% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.02 in

Visibility6 mi

Cloud Ceiling4000 ft

9 PM

55°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity76%

Indoor Humidity49% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling3000 ft

10 PM

55°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindSSW 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity82%

Indoor Humidity51% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1500 ft

11 PM

55°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 34%
Chevron down
Cloudy

WindSSW 7 mph

Air QualityFair

Wind Gusts15 mph

Humidity85%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling6200 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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