St. Marys, Georgia Weather
St. Marys, Georgia — 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 St. Marys, Camden County.
Tides, marine forecast and fishing conditions near St. Marys. Tide source:
Full aviation weather for St. Marys is published on the St Marys Airport (K4J6) page, 1 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. 6 airfields within reach of St. Marys 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 St. Marys: Fernandina Beach Municipal Airport (KFHB) 18 km · Jacksonville International Airport (KJAX) 30 km · Hilliard Airpark (K01J) 33 km · Naval Station Mayport / Admiral David L McDonald Field (KNRB) 42 km · Jacksonville Executive at Craig Airport (KCRG) 46 km
Conditions reported at K4J6 describe the airfield itself. Weather 1 km away can differ, particularly in terrain or near the coast. For conditions at St. Marys specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for St. Marys.
About St. Marys, Georgia
St. Marys breathes a salt-laced air, a coastal Georgia town where the humid embrace of the South meets the slow, deliberate tide of the St. Marys River. It lies 28.2 miles south of Brunswick, GA (from Brunswick, GA: bearing 190°T), and is situated 7.9 miles east-south-east of Kingsland. Ancient oaks, draped in Spanish moss like weary monarchs, stand sentry along quiet streets, their gnarled limbs reaching towards a sky that often softens to a bruised purple at dusk. The landscape here is a gentle ebb and flow of pine forests and marshlands, a verdant tapestry woven by the constant, whispering presence of water. The scent of pine needles mixes with the briny tang of the estuary, a perfume that clings to everything, promising both the wildness of the coast and the settled comfort of a place that has known generations. This is a place where history whispers from weathered clapboard houses and the ghosts of planters and pirates might still drift on the evening breeze. St. Marys, once a bustling port in its own right, now carries the quiet dignity of a town that has seen empires rise and fall, its economy once tethered to timber and naval stores, now finding a new pulse in the proximity of the Kings Bay Naval Submarine Base. The waterfront, though quieter than in its heyday, still draws the faithful, its docks a reminder of the river's enduring importance as a lifeline and a route to the wider world. The nearby Cumberland Island National Seashore, a wild and untamed barrier island accessible by ferry, offers a stark contrast to the town's settled character, a place where wild horses roam and the ruins of a Gilded Age mansion stand as a silent monument to ambition and its eventual return to nature.
Live animated radar for St. Marys 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 | St. Marys, Camden County, Georgia |
| Coordinates | 30.747895°N, 81.570611°W |
| Timezone | Eastern Time (America/New_York) |
| ZIP Code(s) | 31558 |
| Area Code | 229 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This St. Marys, Georgia Weather Page
This page provides live weather conditions and forecasts for St. Marys, Georgia, 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 St. Marys includes coordinates 30.747895°N, 81.570611°W, situated in Camden County. ZIP code 31558. Telephone area code: 229. 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.
