Forecast Maryland is the definitive portal for the Old Line State's weather and climate — built to make the official National Weather Service forecast fast, clean, and highway-clear for all 23 counties and Baltimore City, from Assateague and the Atlantic beaches, up the Chesapeake past Crisfield, Cambridge and Annapolis, through Baltimore and the Piedmont, and west over South Mountain and the Alleghenies to Backbone Mountain and the Youghiogheny.
Maryland is 250 miles wide and barely two miles across at Hancock, and almost every kind of Eastern weather fits inside it. The Chesapeake is the largest estuary in the country and it runs the forecast for most of the state — holding heat into December, killing the sea breeze at Annapolis in July, and turning a coastal storm into three days of tidal flooding. The fall line cuts through Baltimore and the Washington suburbs and is where winter storms come apart, rain on one side and ice on the other. West of it the land climbs to 3,360 feet at Backbone Mountain, where Garrett County takes upslope snow off the Alleghenies and averages more of it than anywhere else south of New England. Forecast Maryland is built around that east-to-west run rather than the flat map of it.
The look borrows from the American Interstate system — the reflective paper, the green guide signs, the blue service signs, the brown recreation signs, and the red-white-and-blue route shields — set in Overpass, the typeface drawn from the Highway Gothic lettering on those signs. Maryland takes an oyster-shell paper and a marsh gold accent — the color the spartina and the phragmites turn at Blackwater and down the Dorchester marshes in the fall, and the Calvert gold of the state flag with the Chesapeake in it — its own note in the network.
Maryland is covered close-up by 1 region site, on its own subdomain of forecastmaryland.com — the same maps, the same live radar and the same climate record as this site, drawn to one metro or region instead of the whole state, with a page for every city in it. They are part of Forecast Maryland, not separate sites: /about on any of them lands back here.
Maryland has four live neighbors on the map: Forecast Pennsylvania across the Mason-Dixon line, Forecast Delaware the length of the Eastern Shore line, and Forecast Virginia for both Virginia across the Potomac and West Virginia around the western panhandle — all tinted in their own accent on the hero map and clickable from it. The District of Columbia is drawn in as well. The rest of the Forecast <State> network is part of the same system.
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