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Maryland Climate and Weather
MARYLAND STATE CLIMATE DATA
TEMPERATURES
STATEWIDE AVERAGES & DEPARTURES
Statewide Average Maximum Temperatures
Statewide Average Minimum Temperatures
Statewide Average Mean Temperatures
Statewide Average Mean Temperature Departures
ASOS & AWOS Station Temperature Archives
Maryland ASOS-AWOS Map
Western Maryland
Cumberland
Frederick
Hagerstown
Oakland-Garrett County
Central Maryland
Aberdeen-Phillips Field
Baltimore-Inner Harbor (Maryland Science Center)
Baltimore-Martin
Churchville-Harford County
Gaithersburg-Montgomery County
Westminster
Southern Maryland
Joint Base Andrews (Andrews Air Force Base)
Annapolis
Baltimore Airport (BWI)
College Park
Ft. Meade-Tipton
Leonardtown-St. Mary’s County
Patuxent River Naval Air Station
St. Inigoes-Webster Field
Eastern Shore
Cambridge
Easton
Ocean City
Salisbury
Stevensville-Bay Bridge
RAWS Station Temperature Archives
RAWS – Station Map & Weblinks
Western Shore
Antietam National Battlefield
Catoctin Mountain
Cedarville
Green Ridge
Patuxent
Susquehanna
Eastern Shore
Assateague Island
Blackwater
Powellville
Tuckahoe
Top-10 Statewide Temperature Averages
Maryland Daily Temperature Records: Cities
Maryland Daily Temperature Extremes, by Calendar Year
Maryland Daily Temperature Extremes, by Month
MARYLAND AVERAGE MONTHLY TEMPERATURE EXTREMES: 1891-Present
MARYLAND EXTREME LOW MAXIMUM TEMPERATURES, BY STATION
Maryland’s Top-30 Lowest Average Minimum Temperatures for July
Maryland Cities – Earliest-Latest Freezes & Shortest Growing Seasons
PRECIPITATION
Statewide Average Precipitation
STATEWIDE AVERAGE PRECIPITATION DEPARTURES
STATEWIDE EXTREMES
Maryland Precipitation Records: Cities
ANNUAL PRECIPITATION EXTREMES, BY YEAR
MONTHLY PRECIPITATION EXTREMES, BY YEAR
DAILY PRECIPITATION EXTREMES, BY YEAR
Monthly Precipitation Extremes, Overall
DAILY PRECIPITATION EXTREMES, BY MONTH
30-DAY PRECIPITATION EXTREMES, BY LOCATION
365-DAY PRECIPITATION EXTREMES, BY LOCATION
STATEWIDE TOP-10 AVERAGE PRECIPITATION EXTREMES, BY MONTH, SEASON, & YEAR
TOP-20 MAXIMUM DAILY-MONTHLY-ANNUAL PRECIPITATION TOTALS
Maryland Locations with ≥10.00 Inches of Daily Precipitation
SNOW
Maryland Record Snowfall and Snow Depth
Maryland Snowfall: Cities’ 365-Day-Period Maxima
Maryland Snowfall: Greatest Number of Days 1-inch or More
MARYLAND SNOW DEPTHS: GREATEST NUMBER OF DAYS WITH 1-INCH OR MORE ON THE GROUND
Baltimore Climate Data
TEMPERATURES
Baltimore Average Maximum Temperature Archive
Baltimore Average Minimum Temperature Archive
Baltimore Average Mean Temperature Archive: 1817-Present
Baltimore Calendar-Day Extremes
BALTIMORE – DAILY MAXIMUM/MINIMUM/MEAN TEMPERATURE EXTREMES
Baltimore – TOP-10 DAILY MAXIMUM/MINIMUM/MEAN TEMPERATURES, BY MONTH
Baltimore – Monthly Temperature Extremes by Year & Season_1871-Present
BALTIMORE TOP-10 MONTHLY, SEASONAL, & ANNUAL AVERAGES
Baltimore: Temperatures Days ≥90°/≤32°
Baltimore – Temperature Days ≥90°_MAXIMUMS
Baltimore: Temperature Days ≤32°F. MINIMUMS
Baltimore: Temperature Days ≤32°F. MAXIMUMS
Baltimore: Freezing Temperatures
Baltimore: First/Last Freeze Dates
Baltimore: Longest Consecutive Freezing Temperature Periods
PRECIPITATION
Baltimore Precipitation Archive: 1871-Present
Baltimore Historical Precipitation: 1817-1870 (PRE-NWS)
BALTIMORE PRECIPITATION: CALENDAR-DAY & TOP-10 MULTI-DAY EXTREMES
BALTIMORE: GREATEST 24-HOUR PRECIPITATION, BY MONTH & YEAR
BALTIMORE: DAYS WITH MEASURABLE PRECIPITATION
BALTIMORE TOP-10 PRECIPITATION EXTREMES
Baltimore Precipitation: Top-10 Monthly, Seasonal, & Annual Extremes
BALTIMORE: TOP-10 DAYS WITH MEASURABLE PRECIPITATION
BALTIMORE: Wet & Dry Periods
Baltimore City Precipitation within City Limits: Daily, Monthly, Annual Extremes
Baltimore Airport Precipitation: Daily, Monthly, Annual Extremes
SNOW
Baltimore Snowfall Archive
Baltimore – Calendar-Day Snowfall & Snow Depth Extremes
Baltimore Snowfall Records: Top-10 Months, Seasons, and Years
Baltimore Snowfall Records: Top-10 Calendar-Day/24-Hour, 2-Day & 3-Day Amounts
Baltimore: Top-20 Snowfalls & Snowstorms
Baltimore: Number of Days with Snowfall & Snow Depths
Baltimore: Number of Days with Snowfall ≥0.1 Inch
Baltimore: Number of Days with Snowfall ≥1.0 Inch
BALTIMORE: NUMBER OF DAYS WITH SNOW DEPTHS ≥1 INCH
BALTIMORE: CONSECUTIVE DAYS WITH SNOW DEPTHS ≥1 INCH
Baltimore: First & Last Snowfall Occurrences, by Season
WIND
CHRISTMAS WEATHER
INDEPENDENCE DAY WEATHER
Washington, DC Climate Data
Temperatures
Washington-Downtown/Reagan National Airport
Washington, DC Average Maximum Temperature Archive: 1872-Present
Washington, DC Average Minimum Temperature Archive: 1872-Present
Washington, DC Mean Temperature Archive: 1871-Present
Washington, DC Calendar-Day Extremes
WASHINGTON, DC – DAILY MAX/MIN/MEAN TEMPERATURE EXTREMES
WASHINGTON DC – TOP-10 DAILY MAX/MIN/MEAN DAILY TEMPERATURES, BY MONTH
WASHINGTON, DC – MONTHLY TEMPERATURE EXTREMES BY YEAR & SEASON: 1872-PRESENT
WASHINGTON, DC TOP-10 MONTHLY & ANNUAL AVERAGES
Washington, DC: NUMBER OF DAYS ≥90°/≤32°
Washington, DC – Temperature Days ≥90°_MAXIMUMS
Washington, DC: Temperature Days ≤32°F. MINIMUMS
Washington, DC: Temperature Days ≤32°F. MAXIMUMS
WASHINGTON, DC: FREEZE PERIODS
Washington-Dulles International Airport
Dulles Airport – Average Maximum Temperature Archive
Dulles Airport – Average Minimum Temperatures
Dulles Airport – Mean Temperature Archive
DULLES AIRPORT – CALENDAR-DAY EXTREMES
DULLES AIRPORT – DAILY MAX/MIN/MEAN TEMPERATURE EXTREMES
DULLES AIRPORT – TOP-10 DAILY MAX/MIN/MEAN DAILY TEMPERATURES, BY MONTH
DULLES AIRPORT – MONTHLY TEMPERATURE EXTREMES BY YEAR & SEASON_1961-PRESENT
DULLES AIRPORT TOP-10 MONTHLY & ANNUAL AVERAGES
DULLES AP: NUMBER OF DAYS ≥90°/≤32°
Dulles AP: Temperature Days ≥90°_MAXIMUMS
Dulles International Airport: Temperature Days ≤32°F. MINIMUMS
Dulles International Airport: Temperature Days ≤32°F. MAXIMUMS
DULLES AIRPORT: FREEZE PERIODS
Precipitation
Downtown & Reagan National Airport
Washington, DC Precipitation Archive: 1871-Present
WASHINGTON, DC HISTORICAL PRECIPITATION: 1817-1870 (PRE-NATIONAL WEATHER SERVICE)
Washington, DC Precipitation: Calendar-Day & Top-10 Multi-Day Extremes
WASHINGTON, DC PRECIPITATION: TOP-10 MONTHLY, SEASONAL, & ANNUAL EXTREMES
WASHINGTON, DC: DAYS WITH MEASURABLE PRECIPITATION
WASHINGTON, DC – TOP-10 DAYS WITH MEASURABLE PRECIPITATION
District of Columbia Precipitation: Top-20 Daily, Monthly, Annual Extremes within District Boundaries
District of Columbia Precipitation: Daily, Monthly & Annual Extremes, by Month
Washington National Airport: Precipitation Extremes
Washington-Dulles International Airport
Dulles Airport – Precipitation Archive
DULLES AIRPORT PRECIPITATION: CALENDAR-DAY & TOP-10 MULTI-DAY EXTREMES
DULLES AIRPORT PRECIPITATION: TOP-10 MONTHLY, SEASONAL, & ANNUAL EXTREMES
Dulles Airport Precipitation: Daily, Monthly & Annual Extremes, by Month
DULLES AIRPORT: DAYS WITH MEASURABLE PRECIPITATION
DULLES AIRPORT – TOP-10 DAYS WITH MEASURABLE PRECIPITATION
SNOW
WASHINGTON, DC SNOWFALL ARCHIVE
WASHINGTON, DC – CALENDAR-DAY SNOWFALL AND SNOW DEPTH EXTREMES
Washington, DC: Number of Days with Snowfall & Depths
Washington, DC: Number of Days with Snowfall ≥0.1″
Washington, DC: Number of Days with Snowfall ≥1.0″
Washington, DC: Number of Days with Snow Depths ≥1.0″
DULLES AIRPORT SNOWFALL ARCHIVE
DULLES AIRPORT – CALENDAR-DAY SNOWFALL AND SNOW DEPTH EXTREMES
Dulles AP Snowfall Records: Top-10 Months, Seasons, and Years
Dulles Airport: Number of Days with Snowfall & Depths
Dulles AP: Number of Days with Snowfall ≥0.1″
Dulles AP: Number of Days with Snowfall ≥1.0″
Dulles AP: Number of Days with Snow Depths ≥1.0″
Current Observations
Current Area Observations (Text)
MD/DC/VA Current NWS Hourly Observations
MD Observations: MesoWest – Multiple Sources
Baltimore Airport (BWI) Hourly Observations
Washington-National Airport (DCA) Hourly Observations
Washington-Dulles Int’l Airport (IAD) Hourly Observations
Garrett County Airport (K2G4) Hourly Observations (Elev. 2933′)
ASOS/AWOS Stations: MD/DC/VA/WV Weather Observations
Maryland Mesonet Weather Stations
COOP Weather Stations
RAWS Weather Stations
Marine Weather Stations
Current Area Observations (Maps)
Maryland Current Weather & Radar (NWS/Data Aggregated by Synoptic)
Baltimore-Washington Metro Current Weather (Weather Underground)
Maryland MesoNet Stations
Maryland ASOS-AWOS Stations – METARS
DC/Virginia ASOS-AWOS Stations – METARS
Maryland Snowfall Map
RADARS
Maryland Radar Loop (NWS) – High Resolution
MARYLAND RADAR (WINDY.COM)
Maryland Radar (WeatherBug)
Maryland Radar (Weather Underground)
NWS-Baltimore/DC WFO Climate Data, Records, & More
NWS-Baltimore/DC WFO – Climate Data from NWS
NWS-Baltimore/DC WFO – Daily ASOS/AWOS/COOP Data
NWS-Baltimore/DC WFO – Daily Hydrometeorological Products
NWS Baltimore/DC Public Info Statements
NWS Baltimore/DC Metro Local Storm Reports
NWS Baltimore/DC Forecaster’s Discussion
CoCoRaHS Precipitation – Maryland
Maryland Tornadoes & Waterspouts
Maryland Tornado Archive
by Year
by Month
by Time of Day
by Intensity
by County
Maryland Waterspout Archive
Maryland/DC Webcam Favorites
Maryland CHART Live Traffic Cameras
Western Maryland Webcams
WeatherBug Cams – Garrett/Allegany County Webcams – Northern & Southern High Schools, Bittinger VFD, Wisp Ski Resort, Sky Valley Lodge, EMA-Grantsville & Kitzmiller, Frostburg State Univ., Allegany High School
Wisp Ski Cams
Deep Creek Lake – Railey Realty
Deep Creek Lake – Honi Honi Bar
Route 40 Elementary Webcam (2600 ft)
Frostburg at Finzel
Frostburg State University, Frostburg, MD
Cumberland, MD (from Allegany High School)
Rocky Gap Casino – Lake Habeeb (Rocky Gap State Park) – real-time 180° view, Flintstone, MD
Central & Southern Maryland Webcams
Maryland Science Center – Baltimore Inner Harbor
Baltimore – Fell’s Point
Baltimore – Maryland Zoo
Annapolis – Eastport Yacht Club
University of Maryland-College Park Campus
Deale – Broadwater Point
Chesapeake Beach Resort (Calvert County)
Eastern Shore Webcams
Ocean City – Tons o’ Webcams
Ocean City Fishing Pier
Ocean City Life Saving Station
Washington, DC webcams
Capitol Dome
Jefferson Memorial View to Washington Monument & Capitol Dome
Kennedy Center View to Rosslyn
Panda Cams 1 & 2 – National Zoo (DC)
Mountain & Ski Weather
Garrett County
Backbone Mountain/Hoye-Crest – 3360 feet/1024 meters
Big Savage Mountain – 2959 feet/902 meters
Allegany County
Dan’s Mountain – 2897 feet/883 meters
Evitt’s Mountain – 2398 feet/731 meters
Warrior Mountain – 2185 feet/666 meters
Haystack Mountain – 1706 feet/520 meters
Washington County
Quirauk Mountain – 2145 feet/654 meters
Sideling Hill – 2120 feet/646 meters
Roundtop Hill – 1358 feet/414 meters
Frederick County
Catoctin Mountain – 1900 feet/579 meters
Lamb’s Knoll – 1759 feet/536 meters
Sugarloaf Mountain – 1283 feet/391 meters
Ski Area Weather & Snow Forecasts
MARYLAND
Wisp Ski Resort – Main Page
Wisp Ski Resort – Weather
Wisp Current Weather – Summit
Wisp Current Weather – Base
PENNSYLVANIA
Blue Knob Resort
Seven Springs Mountain
Ski Liberty
Ski Roundtop
Whitetail Resort
VIRGINIA
Bryce Resort
Massanutten
The Homestead Ski Area
Wintergreen Resort, VA
WEST VIRGINIA
Canaan Valley Resort
Snowshoe Mountain Resort, WV
Timberline Four Seasons Resort
Maryland Weather Trivia
Maryland’s Greatest 24-Hour Rainfall: Jan 26-27, 1897
World Record 1-Minute Rainfall – Unionville, Maryland
Current Maryland Weather Stations MAP
Historical Maryland Weather Station Data Map
RESEARCHER/WEBSITE MANAGER – JEFF TAYLOR
Maryland Climate and Weather
Historical & Current Information for the State
TOP-10 EXTREMES
TOP-10 EXTREMES
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