St Simons Island weather live forecast

Tomorrow's maximum temperature in St Simons Island is expected to be 21°C.

5-day weather forecast updated at 04:02 on Friday 14th March 2025 GMT

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The 5-day weather forecast for Georgia (USA) (St Simons Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

St Simons Island weather forecast by day

Below are the detailed weather forecasts for St Simons Island for the next 5 days.

St Simons Island weather for Friday 14th March 2025

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 21°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

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St Simons Island weather for Saturday 15th March 2025

Expect broken clouds in St Simons Island, Georgia (USA) with a maximum temperature of 23°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 27 kph from the South-East27
    kph wind from SE

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St Simons Island weather for Sunday 16th March 2025

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 24°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 27 kph from the south.

  • 24°C maximum temperature24
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 97% chance of some rain97
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 27 kph from the South27
    kph wind from S

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St Simons Island weather for Monday 17th March 2025

Expect sunshine and showers in St Simons Island, Georgia (USA) with a maximum temperature of 21°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 8% chance of some rain and a moderate breeze of 22 kph from the north-west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 8% chance of some rain8
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the North-West22
    kph wind from NW

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St Simons Island weather for Tuesday 18th March 2025

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 21°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 14 kph from the North14
    kph wind from N

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Metric (°C / mm)  |  Imperial (°F / inches)

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