St. Marys, GA Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for St. Marys, GA in one place.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 8am, then a slight chance of showers and thunderstorms between 8am and 9am, then a chance of showers and thunderstorms between 9am and 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers and thunderstorms. Mostly cloudy. High near 84, with temperatures falling to around 81 in the afternoon. Northeast wind 1 to 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for St. Marys, GA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 30, 2026 9:32 PM EDT.
The active forecast window currently covers May 31 to Jun 6, 2026 for St. Marys, GA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 30, 2026 9:32 PM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in St. Marys
Tuesday looks like the warmest upcoming period in St. Marys at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 14 mph NE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 9:32 PM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- JAX
- Radar station
- KJAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 10pm, then showers and thunderstorms likely between 10pm and 1am, then a slight chance of showers and thunderstorms between 1am and 2am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 71, with temperatures rising to around 73 overnight. South wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Partly sunny. High near 87, with temperatures falling to around 85 in the afternoon. West wind 5 to 9 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy. Low around 71, with temperatures rising to around 73 overnight. West wind 2 to 7 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Mostly clear, with a low around 67.
Sunny, with a high near 81.
Mostly clear, with a low around 67.
A slight chance of rain showers between 8am and 2pm. Sunny, with a high near 84. Chance of precipitation is 20%.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
84°F |
1 to 6 mph
NE
|
|
Sunday Night
May 31
|
Showers And Thunderstorms
|
71°F |
2 to 6 mph
S
|
|
Monday
Jun 1
|
Chance Showers And Thunderstorms
|
87°F |
5 to 9 mph
W
|
|
Monday Night
Jun 1
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
71°F |
2 to 7 mph
W
|
|
Tuesday
Jun 2
|
Partly Sunny then Chance Showers And Thunderstorms
|
89°F |
3 to 8 mph
NW
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
69°F |
6 to 10 mph
NE
|
|
Wednesday
Jun 3
|
Slight Chance Rain Showers then Mostly Sunny
|
80°F |
10 to 14 mph
NE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
67°F |
3 to 13 mph
NE
|
|
Thursday
Jun 4
|
Sunny
|
81°F |
3 to 12 mph
NE
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
67°F |
1 to 10 mph
SE
|
|
Friday
Jun 5
|
Slight Chance Rain Showers
|
84°F |
1 to 10 mph
E
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
68°F |
1 to 9 mph
S
|
|
Saturday
Jun 6
|
Mostly Sunny
|
85°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around St. Marys.