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Local weather forecast

Weather in Saint Marys, GA

Updated 2026-09-26 11:00 local time · ZIP codes 31558

Sunny
Now73°F

Sunny

High / Low77° / 61°
Rain chance4%
Wind7 mph
Weather alerts

Active alerts

3
High Surf Advisory issued September 25 at 10:07PM EDT until September 26 at 2:00AM EDT by NWS Jacksonville FL

* WHAT...For the High Surf Advisory, large breaking waves of 5 to 8 feet. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...For the High Surf Advisory, until 2 AM EDT Saturday. For the High Rip Current Risk, through late Saturday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Safety instructions

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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 issued September 25 at 10:07PM EDT until September 27 at 2:00AM EDT by NWS Jacksonville FL

* WHAT...For the High Surf Advisory, large breaking waves of 5 to 8 feet. For the High Rip Current Risk, dangerous rip currents. * WHERE...Southeast Georgia Beaches. * WHEN...For the High Surf Advisory, until 2 AM EDT Saturday. For the High Rip Current Risk, through late Saturday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water.

Safety instructions

Inexperienced swimmers should remain out of the water due to dangerous surf conditions. 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 issued September 26 at 12:14AM EDT until September 27 at 8:00PM EDT by NWS Jacksonville FL

* WHAT...Dangerous rip currents. * WHERE...Coastal Nassau, Coastal Flagler, Northeast Coastal St. Johns and Southeast Coastal St. Johns Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Safety instructions

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.

Hourly

Next hours

NowSunny73°1% rain
12 PMSunny76°1% rain
1 PMSunny77°1% rain
2 PMSunny77°1% rain
3 PMSunny77°1% rain
4 PMSunny77°1% rain
5 PMSunny76°1% rain
6 PMSunny75°2% rain
7 PMPartly Cloudy72°8% rain
8 PMPartly Cloudy71°6% rain
9 PMOvercast71°15% rain
10 PMCloudy71°12% rain
Forecast

3-day weather forecast

Today2026-09-26
Sunny
77° 61°Sunny
Rain 4%Gust 9 mph
Tomorrow2026-09-27
Overcast
84° 64°Overcast
Rain 7%Gust 10 mph
Monday2026-09-28
Sunny
87° 69°Sunny
Rain 36%Gust 12 mph
Conditions

Weather details

Feels like69°F
Humidity43%
Pressure30.02 inHg
Visibility6 mi
Wind7 mph NNE
Wind gusts9 mph
Precipitation0.00 in
UV index5
Daylight

Sunrise, sunset and moon

Sunrise07:16 AM
Sunset07:18 PM
Moonrise07:12 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour2 PM · 77°F
Coolest hour7 AM · 64°F
Highest rain chance7 AM · 22%
Strongest gusts4 PM · 20 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 15%).

Light layers should work

It feels like 69°F with winds near 7 mph.

Best window: 11 AM

73°F, 1% rain chance and 7 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 20 mph.

Good conditions for an easy run

Current temperature is 73°F, wind 7 mph, rain chance up to 15%.

Moderate UV protection recommended

UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.

Local weather characteristics in Saint Marys

Georgia has hot, humid summers and generally mild winters. Thunderstorms are common in warmer months, while northern Georgia can be cooler than the coastal plain.

Saint Marys is part of the South weather region. The forecast point is near 30.73°N latitude and 81.55°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Saint Marys weather today

Sunny and 73°F in Saint Marys, GA. Today's high is 77°F with a 4% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 43%, pressure is 30.02 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Saint Marys

Sunrise is at 07:16 AM and sunset is at 07:18 PM. Tomorrow's forecast calls for Overcast with a high near 84°F and a low near 64°F. The maximum rain chance is 7%.

Nearby

Weather near Saint Marys

Kings Bay, GA~4 mi awayKingsland, GA~11 mi awayWoodbine, GA~13 mi awayJekyll Island, GA~18 mi awayWaverly, GA~19 mi awayWhite Oak, GA~22 mi awaySea Island, GA~28 mi awayBrunswick, GA~30 mi away
Georgia

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