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. | ||||||||||||
Today
Rain Showers
Tonight
Rain Showers
Wednesday
Showers And Thunderstorms Likely
Wednesday Night
Partly Cloudy
Thursday
Sunny
Thursday Night
Mostly Clear
Detailed Forecast |
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|---|---|
| Today | Rain showers. Cloudy. High near 60, with temperatures falling to around 54 in the afternoon. Northeast wind 14 to 17 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
| Tonight | Rain showers before midnight, then showers and thunderstorms. Cloudy. Low around 52, with temperatures rising to around 64 overnight. East wind 6 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible. |
| Wednesday | Showers and thunderstorms likely before 4pm. Mostly cloudy. High near 61, with temperatures falling to around 56 in the afternoon. Northwest wind 7 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible. |
| Wednesday Night | Partly cloudy, with a low around 46. Northwest wind 6 to 10 mph. |
| Thursday | Sunny, with a high near 64. North wind 6 to 10 mph. |
| Thursday Night | Mostly clear, with a low around 47. |
| Friday | Sunny, with a high near 63. |
| Friday Night | A chance of rain showers after 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 50%. |
| Saturday | Rain showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%. |
| Saturday Night | Rain showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. |
| Sunday | A slight chance of rain showers before 7am. Mostly sunny, with a high near 58. Chance of precipitation is 20%. |
| Sunday Night | Mostly clear, with a low around 48. |
| Monday | Sunny, with a high near 62. |
| Monday Night | Mostly clear, with a low around 53. |
