Cumberland Island, GA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Cumberland Island, GA in one place.
A slight chance of rain showers before 1pm. Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. Northeast wind 14 to 18 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Cumberland 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: Sep 17, 2026 11:40 AM EDT.
The active forecast window currently covers Sep 17 to Sep 23, 2026 for Cumberland Island, GA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 23, 2026
- Latest sync
- Sep 17, 2026 11:40 AM EDT
- Forecast office
- JAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Cumberland Island
Today looks like the warmest upcoming period in Cumberland Island at 84 degrees F.
Tonight is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Today at about 14 to 18 mph NE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 17, 2026 11:40 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
Partly cloudy. Low around 74, with temperatures rising to around 75 overnight. Northeast wind 7 to 15 mph, with gusts as high as 20 mph.
Mostly sunny, with a high near 83. Northeast wind 7 to 13 mph, with gusts as high as 17 mph.
Mostly clear. Low around 76, with temperatures rising to around 77 overnight. East wind 1 to 7 mph.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. Northeast wind 2 to 10 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 70%.
Rain showers likely before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 17
|
Slight Chance Rain Showers
|
84°F |
14 to 18 mph
NE
|
|
Tonight
Sep 17
|
Partly Cloudy
|
74°F |
7 to 15 mph
NE
|
|
Friday
Sep 18
|
Mostly Sunny
|
83°F |
7 to 13 mph
NE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
76°F |
1 to 7 mph
E
|
|
Saturday
Sep 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
84°F |
2 to 10 mph
NE
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
77°F |
2 to 8 mph
E
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
83°F |
2 to 10 mph
NE
|
|
Sunday Night
Sep 20
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
75°F |
2 to 8 mph
E
|
|
Monday
Sep 21
|
Showers And Thunderstorms Likely
|
84°F |
2 to 10 mph
NE
|
|
Monday Night
Sep 21
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
75°F |
3 to 9 mph
E
|
|
Tuesday
Sep 22
|
Showers And Thunderstorms Likely
|
84°F |
3 to 10 mph
NE
|
|
Tuesday Night
Sep 22
|
Showers And Thunderstorms Likely
|
75°F |
3 to 9 mph
NE
|
|
Wednesday
Sep 23
|
Rain Showers Likely
|
82°F |
7 to 17 mph
NE
|
|
Wednesday Night
Sep 23
|
Showers And Thunderstorms Likely
|
75°F |
12 to 16 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cumberland Island.