Maryland Snow Day Calculator

Will Your School Close Due to Snow?

Instant snow day predictions for schools across Maryland

Maryland School Closure Prediction Tool

Enter Maryland city or ZIP code

Maryland Snow Day Forecast Results

Maryland ZIP Code Coverage

DC Metro Area - Montgomery County

2060020999

Baltimore Metropolitan Area

2100021299

Western Maryland Mountains

2150021599

Eastern Shore

2180021999

For accurate Maryland Snow Day Calculator predictions, please note that western regions receive significantly more snow than eastern areas

Maryland Snow Statistics & Information

Geographic Features

  • Appalachian Mountains
  • Chesapeake Bay
  • Atlantic Coast
  • Potomac River
  • Blue Ridge Mountains

Snow Statistics

Annual Average Snowfall

20.5 inches

Snow Days per Year

15 days

School Information

Average Snow Days

5 days/year

School Districts

24

Maryland Historical Snow Events

Snowmageddon - Record-breaking snowstorm

2010-02-05

Snowfall: 49.3 inches

State of emergency, schools closed for over a week

Major blizzard affects entire state

2016-01-22

Snowfall: 29.2 inches

Multi-day school closures statewide

President's Day Weekend Storm

2003-02-15

Snowfall: 28.2 inches

Extended school closures across state

Maryland Snow Facts

Western Maryland can receive over 100 inches of snow annually while the Eastern Shore gets less than 10

The 2010 'Snowmageddon' remains the state's most significant snow event

Maryland's varied elevation creates temperature differences of up to 30 degrees across the state

The Chesapeake Bay can influence whether precipitation falls as rain or snow

Baltimore's snowiest winter was 2009-2010 with 77 inches

Western Maryland experiences lake-effect snow from the Great Lakes

The state's school districts often coordinate closures regionally

Maryland's position makes it vulnerable to both nor'easters and inland storms