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Cold surge to trigger accumulating snow in parts of Midwest, Northeast. Get the forecast. Chevron right

Mercersburg, PA

55°F
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Mercersburg

Pennsylvania

55°
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Mercersburg, PA Weather
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Today

Hourly

 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

1 PM

56°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™50°

WindNW 14 mph

Air QualityExcellent

Max UV Index2.7 (Moderate)

Wind Gusts28 mph

Humidity34%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling33000 ft

2 PM

58°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™53°

WindNW 12 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts25 mph

Humidity32%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

56°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™52°

WindNW 10 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts22 mph

Humidity34%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

54°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™52°

WindWNW 8 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts18 mph

Humidity37%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

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

RealFeel Shade™50°

WindWNW 7 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts14 mph

Humidity40%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

50°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWNW 5 mph

Air QualityExcellent

Wind Gusts9 mph

Humidity45%

Indoor Humidity38% (Dry)

Dew Point29° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

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

WindWNW 4 mph

Air QualityFair

Wind Gusts9 mph

Humidity48%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

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

WindWSW 4 mph

Air QualityFair

Wind Gusts7 mph

Humidity54%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

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

WindSW 4 mph

Air QualityFair

Wind Gusts7 mph

Humidity60%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

42°
RealFeel® 41°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 5 mph

Air QualityFair

Wind Gusts7 mph

Humidity63%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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

WindS 5 mph

Air QualityFair

Wind Gusts7 mph

Humidity64%

Indoor Humidity38% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover39%

Visibility10 mi

Cloud Ceiling30000 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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