Georgia · NWS JAX office

St. Marys, GA weather

It is 70°F and mostly cloudy at Fernandina Beach Municipal Airport as of Oct 28, 4:55 AM EDT. Overnight: Partly Cloudy, low near 63°F, 6% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 2:20 AM EDT.

Updated Oct 28, 5:30 AM EDT (snapshot)

Current conditions

Temperature

70°F

Mostly Cloudy

Wind

NE 16 mph, gusts 22 mph

Humidity 84%

Pressure · visibility

30.12 inHg

Visibility 10 mi

Observed at Fernandina Beach Municipal Airport (KFHB), Oct 28, 4:55 AM EDT. Station readings can lag or be missing.

Alerts for this area

Coastal Flood Warning Severe Expected

Coastal Flood Warning issued October 28 at 2:48AM EDT until October 30 at 2:00AM EDT by NWS Jacksonville FL

Area
Coastal Glynn; Coastal Camden
In effect
Oct 28, 2:48 AM EDT
Until
Oct 30, 2:00 AM EDT
Issued by
NWS Jacksonville FL
Full text

* WHAT...For the Coastal Flood Warning, moderate flooding during times of hide tide. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...For the Coastal Flood Warning, until 2 AM EDT Friday. For the High Rip Current Risk, through Friday evening. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. Rip currents can sweep even the best swimmers away from shore into deeper water.

What to do: Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Rip Current Statement Moderate Expected

Rip Current Statement issued October 28 at 2:48AM EDT until October 30 at 8:00PM EDT by NWS Jacksonville FL

Area
Coastal Glynn; Coastal Camden
In effect
Oct 28, 2:48 AM EDT
Until
Oct 30, 8:00 PM EDT
Issued by
NWS Jacksonville FL
Full text

* WHAT...For the Coastal Flood Warning, moderate flooding during times of hide tide. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...For the Coastal Flood Warning, until 2 AM EDT Friday. For the High Rip Current Risk, through Friday evening. * IMPACTS...Numerous roads may be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. Rip currents can sweep even the best swimmers away from shore into deeper water.

What to do: Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Around the NWS JAX forecast area

6 active alerts cover zones served by the JAX office near St. Marys:

  • Coastal Flood Warning (3)
  • Rip Current Statement (2)
  • High Surf Advisory

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. Georgia has 4 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for St. Marys (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM65°FPartly Cloudy6%NE 10 mph
Wed 6 AM65°FMostly Sunny6%NE 10 mph
Wed 7 AM65°FMostly Sunny6%NE 12 mph
Wed 8 AM63°FMostly Sunny6%NE 13 mph
Wed 9 AM67°FMostly Sunny6%NE 14 mph
Wed 10 AM70°FMostly Sunny5%NE 15 mph
Wed 11 AM74°FMostly Sunny5%NE 17 mph
Wed 12 PM76°FMostly Sunny4%NE 18 mph
Wed 1 PM76°FPartly Sunny4%NE 20 mph
Wed 2 PM77°FPartly Sunny3%NE 21 mph
Wed 3 PM76°FPartly Sunny4%NE 20 mph
Wed 4 PM75°FPartly Sunny5%NE 20 mph
Wed 5 PM74°FPartly Sunny6%NE 18 mph
Wed 6 PM72°FMostly Cloudy7%NE 17 mph
Wed 7 PM69°FMostly Cloudy9%NE 16 mph
Wed 8 PM69°FMostly Cloudy10%NE 16 mph
Wed 9 PM69°FMostly Cloudy11%NE 15 mph
Wed 10 PM70°FMostly Cloudy12%NE 15 mph
Wed 11 PM71°FMostly Cloudy13%NE 15 mph
Thu 12 AM68°FMostly Cloudy14%NE 14 mph
Thu 1 AM68°FMostly Cloudy14%NE 14 mph
Thu 2 AM69°FSlight Chance Rain Showers15%NE 14 mph
Thu 3 AM68°FSlight Chance Rain Showers15%NE 14 mph
Thu 4 AM67°FSlight Chance Rain Showers15%NE 15 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in St. Marys can differ.

7-day forecast

Overnight

Low 63°F

Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. Northeast wind around 10 mph, with gusts as high as 18 mph.

Wednesday

High 77°F·Low 66°F

Partly sunny. High near 77, with temperatures falling to around 74 in the afternoon. Northeast wind 10 to 21 mph, with gusts as high as 31 mph.

Wednesday Night: A slight chance of rain showers after 2am. Mostly cloudy. Low around 66, with temperatures rising to around 67 overnight. Northeast wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Thursday

High 76°F·Low 65°F

A slight chance of rain showers before 8am. Mostly cloudy. High near 76, with temperatures falling to around 74 in the afternoon. Northeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

Thursday Night: Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. Northeast wind 6 to 12 mph, with gusts as high as 21 mph.

Friday

High 77°F·Low 66°F

Mostly sunny, with a high near 77.

Friday Night: Mostly cloudy, with a low around 66.

Saturday

High 78°F·Low 67°F

A chance of rain showers between 8am and 2pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.

Saturday Night: A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

Sunday

High 76°F·Low 64°F

Showers and thunderstorms likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.

Sunday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

Monday

High 77°F·Low 63°F

A chance of rain showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.

Monday Night: A chance of rain showers before 7pm. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

Tuesday

High 79°F

A slight chance of rain showers after 1pm. Mostly sunny, with a high near 79.

Nearby cities

Larger cities in the area

Other cities in Camden County

See every city we cover in Georgia, or check all active alerts.

About this forecast

Forecast office
St. Marys is served by the National Weather Service JAX forecast office, forecast zone GAZ166, county zone GAC039.
Location used
The Census Bureau's internal point for St. Marys (30.7567, -81.5784), in Camden County. Population: 20,119 (2024 estimate), number 57 of the 59 Georgia cities on this site.
Radar
Nearest NWS radar: KJAX. View it on radar.weather.gov.

On Amazon

Weather-ready picks

As an Amazon Associate I earn from qualifying purchases.

Home & kitchen LEVOIT Air Purifier An air purifier for smoky or high-pollen days indoors. View on Amazon → Men’s fashion Hanes Fleece Hooded Sweatshirt A warm hoodie for chilly mornings. View on Amazon → Fitness & outdoors Stanley Quencher H2.0 Tumbler A big tumbler for long commutes and outdoor days. View on Amazon → Fitness & outdoors LifeStraw Personal Water Filter A personal water filter worth adding to an emergency kit. View on Amazon →

Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/30.7567,-81.5784 (forecast issued Oct 28, 2:20 AM EDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

More Georgia cities