Marine Weather Net

St. Marys, GA Weather Forecast




Saint Marys, Georgia

 Lat: 30.73N, Lon: 81.55W

Current Conditions Updated: 432 AM EDT THU MAR 12 2026

Mostly Cloudy
Temp: 70°F
  • Humidity:
  • 84%
  • Winds:
  • 10 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.95 in.
  • Dewpoint:
  • 65°F
  • Heat index:
  • 70°F

  • Sunrise:
  • 7:38 AM EDT
  • Sunset:
  • 7:31 PM EDT
  • Moonrise:
  • 3:30 AM EDT
  • Moonset:
  • 1:21 PM EDT

TODAY

CHANCE OF T-STORM
Hi: 79°F
Lo: 55°F
Precip: 90%

FRIDAY

SUNNY

Hi: 71°F
Lo: 55°F

SATURDAY

SUNNY

Hi: 75°F
Lo: 60°F

SUNDAY

MOSTLY SUNNY
Hi: 80°F
Lo: 61°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 252 AM EDT Thu Mar 12 2026

Today...Showers likely this morning, then showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. Temperature falling into the lower 70s this afternoon. Southwest winds 10 to 15 mph, becoming west this afternoon. Chance of rain 90 percent.
Tonight...Partly cloudy in the evening, then clearing. Cooler. Less humid with lows around 50. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Friday...Sunny. Highs in the lower 70s. East winds 10 to 15 mph.
Friday Night...Mostly clear. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Saturday...Patchy fog in the morning. Sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.
Saturday Night...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows around 60. Chance of rain 20 percent.
Sunday...Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 70 percent.
Sunday Night...Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the lower 60s. Chance of rain 70 percent.
Monday...Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 60 percent.
Monday Night...Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers after midnight. Much cooler with lows in the lower 40s. Chance of rain 50 percent.
Tuesday...Partly sunny. Much cooler with highs around 60.
Tuesday Night And Wednesday...Partly cloudy. Lows in the lower 40s. Highs in the lower 60s.
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