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Record-shattering March scorcher to bring summerlike heat to Southwest. See how hot it will get. Chevron right
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Mercersburg, PA

30°F
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Mercersburg

Pennsylvania

30°
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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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Winter Center
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WinterCast

Little to no accumulation

Mon, 3/16, 9:00 PM - Tue, 3/17, 2:00 AM

Snow

2 AM

30°
RealFeel® 13°
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 40%
Chevron down
Flurries

WindW 16 mph

Air QualityExcellent

Wind Gusts21 mph

Humidity68%

Indoor Humidity31% (Dry)

Dew Point20° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover79%

Snowtrace

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

29°
RealFeel® 14°
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 37%
Chevron down
Mostly cloudy

WindW 16 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity60%

Indoor Humidity28% (Very Dry)

Dew Point17° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling28100 ft

4 AM

29°
RealFeel® 14°
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 33%
Chevron down
Mostly cloudy

WindW 16 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity57%

Indoor Humidity28% (Very Dry)

Dew Point16° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling26200 ft

5 AM

29°
RealFeel® 14°
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 32%
Chevron down
Mostly cloudy

WindW 16 mph

Air QualityExcellent

Wind Gusts18 mph

Humidity55%

Indoor Humidity27% (Very Dry)

Dew Point15° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling24300 ft

6 AM

28°
RealFeel® 14°
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 32%
Chevron down
Mostly cloudy

WindW 15 mph

Air QualityExcellent

Wind Gusts18 mph

Humidity55%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling20100 ft

7 AM

28°
RealFeel® 14°
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 22%
Chevron down
Mostly cloudy

WindW 14 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity55%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling16000 ft

8 AM

29°
RealFeel® 16°
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 3%
Chevron down
Intermittent clouds

RealFeel Shade™16°

WindW 14 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts21 mph

Humidity53%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling11900 ft

9 AM

31°
RealFeel® 18°
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 3%
Chevron down
Intermittent clouds

RealFeel Shade™18°

WindW 15 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts22 mph

Humidity49%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling9500 ft

10 AM

32°
RealFeel® 19°
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 3%
Chevron down
Intermittent clouds

RealFeel Shade™17°

WindW 17 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts23 mph

Humidity46%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling7000 ft

11 AM

34°
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 3%
Chevron down
Intermittent clouds

RealFeel Shade™19°

WindW 18 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts24 mph

Humidity44%

Indoor Humidity27% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4600 ft

12 PM

35°
RealFeel® 23°
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 3%
Chevron down
Intermittent clouds

RealFeel Shade™20°

WindW 18 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts25 mph

Humidity42%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4600 ft

1 PM

35°
RealFeel® 24°
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 3%
Chevron down
Intermittent clouds

RealFeel Shade™21°

WindW 18 mph

Air QualityFair

Max UV Index2.3 (Low)

Wind Gusts28 mph

Humidity41%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4600 ft

2 PM

35°
RealFeel® 24°
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 4%
Chevron down
Intermittent clouds

RealFeel Shade™21°

WindW 17 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts28 mph

Humidity40%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4600 ft

3 PM

36°
RealFeel® 25°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 4%
Chevron down
Intermittent clouds

RealFeel Shade™22°

WindW 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts29 mph

Humidity39%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4600 ft

4 PM

35°
RealFeel® 23°
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 4%
Chevron down
Intermittent clouds

RealFeel Shade™21°

WindW 16 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts29 mph

Humidity41%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4600 ft

5 PM

34°
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 4%
Chevron down
Intermittent clouds

RealFeel Shade™21°

WindW 16 mph

Air QualityFair

Max UV Index0.9 (Low)

Wind Gusts29 mph

Humidity44%

Indoor Humidity26% (Very Dry)

Dew Point14° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4600 ft

6 PM

33°
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 4%
Chevron down
Intermittent clouds

RealFeel Shade™21°

WindW 15 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts25 mph

Humidity43%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling9200 ft

7 PM

32°
RealFeel® 20°
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 2%
Chevron down
Intermittent clouds

RealFeel Shade™20°

WindWNW 14 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts22 mph

Humidity44%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling13900 ft

8 PM

31°
RealFeel® 20°
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

WindWNW 13 mph

Air QualityFair

Wind Gusts18 mph

Humidity45%

Indoor Humidity26% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

30°
RealFeel® 20°
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

WindWNW 10 mph

Air QualityFair

Wind Gusts18 mph

Humidity48%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

30°
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

WindWNW 9 mph

Air QualityFair

Wind Gusts16 mph

Humidity49%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

29°
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

WindWNW 9 mph

Air QualityFair

Wind Gusts14 mph

Humidity50%

Indoor Humidity26% (Very Dry)

Dew Point13° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover11%

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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