Saint Simons Island, GA Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Simons Island, GA in one place.
A slight chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 75. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Saint Simons Island, 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 31, 2026 3:32 AM EDT.
The active forecast window currently covers May 31 to Jun 6, 2026 for Saint Simons Island, GA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 3:32 AM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Simons Island
Tuesday looks like the warmest upcoming period in Saint Simons Island at 84 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Wednesday at about 18 mph NE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 3:32 AM 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
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms likely between noon and 2pm, then showers and thunderstorms likely between 2pm and 3pm, then showers and thunderstorms. Mostly cloudy. High near 81, with temperatures falling to around 79 in the afternoon. Northeast wind 3 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then showers and thunderstorms likely between 10pm and midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 74, with temperatures rising to around 76 overnight. South wind 6 to 9 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 showers and thunderstorms likely. Mostly cloudy, with a high near 83. West wind 8 to 12 mph, with gusts as high as 17 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy. Low around 75, with temperatures rising to around 76 overnight. West wind 3 to 8 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
A chance of rain showers before 8am. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Mostly clear, with a low around 71.
Sunny, with a high near 79.
Mostly clear, with a low around 72.
A slight chance of rain showers between 8am and 2pm. Sunny, with a high near 80. Chance of precipitation is 20%.
Partly cloudy, with a low around 72.
Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 31
|
Slight Chance Showers And Thunderstorms
|
75°F |
5 mph
W
|
|
Sunday
May 31
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
3 to 10 mph
NE
|
|
Sunday Night
May 31
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
74°F |
6 to 9 mph
S
|
|
Monday
Jun 1
|
Showers And Thunderstorms Likely
|
83°F |
8 to 12 mph
W
|
|
Monday Night
Jun 1
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
75°F |
3 to 8 mph
W
|
|
Tuesday
Jun 2
|
Partly Sunny then Chance Showers And Thunderstorms
|
84°F |
5 to 12 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
72°F |
12 to 17 mph
NE
|
|
Wednesday
Jun 3
|
Chance Rain Showers then Mostly Sunny
|
78°F |
18 mph
NE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
71°F |
7 to 15 mph
NE
|
|
Thursday
Jun 4
|
Sunny
|
79°F |
7 to 14 mph
NE
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
72°F |
5 to 13 mph
S
|
|
Friday
Jun 5
|
Slight Chance Rain Showers
|
80°F |
5 to 13 mph
SW
|
|
Friday Night
Jun 5
|
Partly Cloudy
|
72°F |
5 to 12 mph
S
|
|
Saturday
Jun 6
|
Mostly Sunny
|
81°F |
5 to 13 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Simons Island.