Weather information for the Cumberland Island area is provided below. Average temperatures, climate details and current forecasts are included!
Climate
Monthly average temperatures and precipitation for St. Marys are shown below.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Avg. High | 62° | 64° | 71° | 77° | 82° | 87° | 88° | 88° | 85° | 78° | 71° | 65° |
| Avg. Low | 42° | 44° | 50° | 57° | 64° | 70° | 72° | 72° | 70° | 62° | 54° | 45° |
| Mean | 52° | 54° | 61° | 67° | 74° | 78° | 81° | 81° | 78° | 71° | 64° | 55° |
| Avg. Precip. | 3.4 in | 3.8 in | 3.9 in | 2.8 in | 3.3 in | 5.3 in | 6.3 in | 6.0 in | 6.9 in | 3.3 in | 3.3 in | 2.9 in |
| Note: All temperatures are in degrees Fahrenheit. | ||||||||||||
Overnight
Mostly Clear
Sunday
Sunny
Sunday Night
Mostly Clear
Monday
Mostly Sunny
Monday Night
Mostly Cloudy
Tuesday
Mostly Cloudy then Chance Showers And Thunderstorms
Detailed Forecast |
|
|---|---|
| Overnight | Mostly clear, with a low around 66. Southwest wind around 7 mph. |
| Sunday | Sunny, with a high near 85. Southwest wind 6 to 10 mph. |
| Sunday Night | Mostly clear, with a low around 66. Southwest wind 6 to 10 mph. |
| Monday | Mostly sunny, with a high near 80. Northeast wind 5 to 8 mph. |
| Monday Night | Mostly cloudy, with a low around 65. Southeast wind 3 to 9 mph. |
| Tuesday | A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 40%. |
| Tuesday Night | A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 50%. |
| Wednesday | A slight chance of rain showers before 8am. Mostly sunny, with a high near 70. Chance of precipitation is 20%. |
| Wednesday Night | Mostly clear, with a low around 54. |
| Thursday | Sunny, with a high near 70. |
| Thursday Night | Partly cloudy, with a low around 56. |
| Friday | Mostly sunny, with a high near 74. |
| Friday Night | Mostly cloudy, with a low around 60. |
| Saturday | A slight chance of showers and thunderstorms after 8am. Partly sunny, with a high near 75. Chance of precipitation is 20%. |
