St. Marys, GA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for St. Marys, GA in one place.
Sunny, with a high near 84.
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: Apr 9, 2026 8:48 PM EDT.
The active forecast window currently covers Apr 15 to Apr 16, 2026 for St. Marys, GA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 8:48 PM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in St. Marys
Thursday looks like the warmest upcoming period in St. Marys at 86 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Wednesday at about 2 to 10 mph S.
The forecast from Apr 15 through Apr 16 stays mostly dry.
Forecast Details
- Last updated
- Apr 9, 2026 8:48 PM EDT
- Coverage
- 2 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
Partly cloudy, with a low around 62.
Mostly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Sunny
|
84°F |
2 to 10 mph
S
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
62°F |
3 to 10 mph
S
|
|
Thursday
Apr 16
|
Mostly Sunny
|
86°F |
2 to 9 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around St. Marys.