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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
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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Today

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

9 AM

36°
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
Mostly cloudy

RealFeel Shade™24°

WindS 13 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts24 mph

Humidity99%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

43°
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
Mostly cloudy

RealFeel Shade™33°

WindSSW 15 mph

Air QualityFair

Max UV Index1.7 (Low)

Wind Gusts27 mph

Humidity74%

Indoor Humidity30% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

50°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy

RealFeel Shade™41°

WindSSW 16 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts30 mph

Humidity60%

Indoor Humidity31% (Slightly Dry)

Dew Point37° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

57°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Mostly cloudy

RealFeel Shade™49°

WindSSW 17 mph

Air QualityFair

Max UV Index2.0 (Low)

Wind Gusts32 mph

Humidity51%

Indoor Humidity34% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling24400 ft

1 PM

59°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 15%
Chevron down
Cloudy

RealFeel Shade™53°

WindSSW 14 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts27 mph

Humidity51%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling21500 ft

2 PM

61°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 15%
Chevron down
Cloudy

RealFeel Shade™55°

WindSSW 15 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts25 mph

Humidity50%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling21500 ft

3 PM

60°
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™54°

WindSSW 16 mph

Air QualityFair

Max UV Index0.7 (Low)

Wind Gusts25 mph

Humidity54%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling21500 ft

4 PM

58°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Rain

RealFeel Shade™50°

WindSSW 16 mph

Air QualityFair

Max UV Index0.3 (Low)

Wind Gusts24 mph

Humidity58%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Rain0.01 in

Visibility10 mi

Cloud Ceiling21500 ft

5 PM

58°
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 14 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts23 mph

Humidity62%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling7000 ft

6 PM

57°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 45%
Chevron down
Cloudy

WindSSW 8 mph

Air QualityFair

Wind Gusts21 mph

Humidity66%

Indoor Humidity45% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling11300 ft

7 PM

57°
RealFeel® 53°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity70%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling6200 ft

8 PM

56°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 63%
Chevron down
Rain

WindSSW 10 mph

Air QualityFair

Wind Gusts17 mph

Humidity77%

Indoor Humidity50% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling6000 ft

9 PM

55°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 63%
Chevron down
Rain

WindSSW 10 mph

Air QualityFair

Wind Gusts13 mph

Humidity84%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling5800 ft

10 PM

54°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 53%
Chevron down
Rain

WindSSW 9 mph

Air QualityFair

Wind Gusts10 mph

Humidity91%

Indoor Humidity56% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

11 PM

54°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity94%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling4000 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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