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LIVE NOW: AccuWeather tracks March megastorm severe weather.

March megastorm: Blizzard, dangerous winds. Get the forecast.

St. Marys, PA

53°F

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St. Marys, PA Weather

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

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WinterCast

2 - 4 in

Mon, 3/16, 7:00 PM - Tue, 3/17, 12:00 AM

Snow

4 PM

51°

RealFeel® 42°

Chilly

RealFeel Guide

Chilly

40° to 52°

Jacket or sweater is recommended.

52%

Showers

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

RealFeel Shade™42°

WindWSW 15 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts25 mph

Humidity71%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1400 ft

5 PM

47°

RealFeel® 37°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

53%

Showers

Winter Weather Advisory

5:00 PM Monday - 5:00 PM Tuesday

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

RealFeel Shade™37°

WindW 16 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts27 mph

Humidity75%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling1100 ft

6 PM

43°

RealFeel® 32°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

49%

Cloudy

Winter Weather Advisory

5:00 PM Monday - 5:00 PM Tuesday

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

RealFeel Shade™32°

WindW 15 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts27 mph

Humidity77%

Indoor Humidity30% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling1100 ft

7 PM

40°

RealFeel® 25°

Cold

RealFeel Guide

Cold

25° to 39°

Coats and hats are appropriate, consider gloves and a scarf.

61%

Snow

Winter Weather Advisory

5:00 PM Monday - 5:00 PM Tuesday

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

RealFeel Shade™25°

WindWSW 14 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts25 mph

Humidity77%

Indoor Humidity42% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow0.58 in

Visibility5 mi

Cloud Ceiling1100 ft

8 PM

35°

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.

88%

Snow

Winter Weather Advisory

5:00 PM Monday - 5:00 PM Tuesday

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

WindWSW 15 mph

Air QualityFair

Wind Gusts28 mph

Humidity81%

Indoor Humidity39% (Slightly Dry)

Dew Point30° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Snow1.13 in

Visibility1.00 mi

Cloud Ceiling1100 ft

9 PM

34°

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.

86%

Snow

Winter Weather Advisory

5:00 PM Monday - 5:00 PM Tuesday

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

WindWSW 16 mph

Air QualityFair

Wind Gusts30 mph

Humidity78%

Indoor Humidity37% (Dry)

Dew Point28° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Snow1.11 in

Visibility1.00 mi

Cloud Ceiling1800 ft

10 PM

32°

RealFeel® 12°

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.

84%

Snow

Winter Weather Advisory

5:00 PM Monday - 5:00 PM Tuesday

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

WindWSW 17 mph

Air QualityFair

Wind Gusts28 mph

Humidity79%

Indoor Humidity35% (Dry)

Dew Point26° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Snow1.13 in

Visibility1.00 mi

Cloud Ceiling2500 ft

11 PM

29°

RealFeel® 9°

Bitterly Cold

RealFeel Guide

Bitterly Cold

-10° to 9°

Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.

63%

Snow

Winter Weather Advisory

5:00 PM Monday - 5:00 PM Tuesday

Wind Advisory

4:00 PM Sunday - 8:00 AM Tuesday

WindWSW 17 mph

Air QualityFair

Wind Gusts27 mph

Humidity80%

Indoor Humidity33% (Dry)

Dew Point23° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Snow1.13 in

Visibility1.00 mi

Cloud Ceiling3200 ft

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World North America United States Pennsylvania St. Marys

Weather Near St. Marys:

Altoona, PA
Johnstown, PA
State College, PA

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