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. | ||||||||||||
This Afternoon
Showers And Thunderstorms
Tonight
Showers And Thunderstorms Likely
Wednesday
Showers And Thunderstorms
Wednesday Night
Chance Showers And Thunderstorms
Thursday
Slight Chance Showers And Thunderstorms
Thursday Night
Showers And Thunderstorms Likely
Detailed Forecast |
|
|---|---|
| This Afternoon | Showers and thunderstorms. Cloudy, with a high near 88. Southwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tonight | Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Southwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday | A chance of rain showers before 9am, then showers and thunderstorms. Partly sunny, with a high near 91. Heat index values as high as 103. West wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night | A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 74. West wind around 6 mph. Chance of precipitation is 50%. |
| Thursday | A slight chance of showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Mostly sunny, with a high near 93. West wind around 6 mph. Chance of precipitation is 60%. |
| Thursday Night | Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. |
| Friday | A chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 60%. |
| Friday Night | A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 60%. |
| Saturday | Showers and thunderstorms likely. Mostly sunny, with a high near 94. Chance of precipitation is 60%. |
| Saturday Night | Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%. |
| Sunday | A chance of showers and thunderstorms. Mostly sunny, with a high near 94. Chance of precipitation is 50%. |
| Sunday Night | A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 50%. |
| Monday | A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 50%. |
| Monday Night | A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 50%. |
