Saint Marys City, Maryland Weather
Saint Marys City, Maryland — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, tide predictions, marine conditions and a solunar fishing forecast, soil and crop conditions for Saint Marys City, St. Mary's County.
Tides, marine forecast and fishing conditions near Saint Marys City. Tide source:
Full aviation weather for Saint Marys City is published on the Naval Outlying Landing Field Webster (KNUI) page, 5 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 3 airfields within reach of Saint Marys City have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Saint Marys City: Patuxent River Naval Air Station (Trapnell Field) (KNHK) 11 km · Cambridge Dorchester Airport (KCGE) 53 km
Conditions reported at KNUI describe the airfield itself. Weather 5 km away can differ, particularly in terrain or near the coast. For conditions at Saint Marys City specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Saint Marys City.
About Saint Marys City, Maryland
Saint Marys City rests on a peninsula, its land a quiet tapestry of rolling fields and dense woodlands that spill down to the confluence of the St. Marys River and the wide, breathing Chesapeake Bay. It lies 6.8 miles north-west of Saint Marys, MD (from Saint Marys, MD: bearing 326°T), and is situated 5.6 miles south of Lexington Park. The air here carries the briny tang of the water, a constant, gentle presence that softens the edges of the afternoon sun and lends a diffused, pearly quality to the light as evening approaches. Ancient oaks, gnarled and broad, stand sentinel over the landscape, their limbs often draped with the soft, gray moss that speaks of humid summers and the slow, steady passage of seasons. The terrain itself is a gentle incline, leading the eye towards the shimmering horizon where the bay meets the sky in an endless, pale blue embrace. This is a place where history is not merely remembered but felt, a living echo of Maryland’s very beginnings. Founded as the first settlement and capital of the proprietary colony of Maryland in 1634, Saint Marys City was a bold experiment in religious tolerance, a sanctuary envisioned by Lord Baltimore. Today, its economy is a blend of heritage tourism, with careful reconstructions and archaeological sites drawing visitors, and the quiet hum of local businesses catering to the residents and the nearby Naval Air Station. The land, once cleared for tobacco plantations, now yields to a mix of agriculture and preserved natural areas, with remnants of colonial earthworks subtly marking the passage of time beneath the verdant growth. The rhythm of life in Saint Marys City is measured by the tides and the slow turning of the sun, a far cry from the clamor of more hurried places, allowing for a deeper appreciation of its profound historical roots and its enduring, tranquil beauty.
Live animated radar for Saint Marys City and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Saint Marys City, St. Mary's County, Maryland |
| Coordinates | 38.18707°N, 76.434396°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 20653, 20686 |
| Area Code | 301, 240 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Saint Marys City, Maryland Weather Page
This page provides live weather conditions and forecasts for Saint Marys City, Maryland, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Saint Marys City includes coordinates 38.187070°N, 76.434396°W, situated in St. Mary's County. ZIP code 20653, 20686. Telephone area code: 301, 240. Timezone: Eastern Time (America/New_York).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
