St Simons Island weather live forecast

Today's maximum temperature in St Simons Island is expected to be 95°F. Select a day from the live weather forecast for St Simons Island, Georgia, USA for more weather parameters.

5-day weather forecast updated at 04:03 on Saturday 26th July 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 Saturday 26th July 2025

Expect clear skies in St Simons Island, Georgia (USA) with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south.

  • 95°F maximum temperature95
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Clear skies
    clear skies
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the South9
    mph wind from S

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St Simons Island weather for Sunday 27th July 2025

Expect scattered clouds in St Simons Island, Georgia (USA) with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south.

  • 95°F maximum temperature95
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 9 mph from the South9
    mph wind from S

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St Simons Island weather for Monday 28th July 2025

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 99°F, very high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 11 mph from the south.

  • 99°F maximum temperature99
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Very high heat & humidityVH
    very high heat & humidity
  • Gentle breeze of 11 mph from the South11
    mph wind from S

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St Simons Island weather for Tuesday 29th July 2025

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 10 mph from the south.

  • 93°F maximum temperature93
    °F maximum temperature
  • 82°F minimum temperature82
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 57% chance of some rain57
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 10 mph from the South10
    mph wind from S

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St Simons Island weather for Wednesday 30th July 2025

Expect isolated thunderstorms in St Simons Island, Georgia (USA) with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 10-20 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 10 mph from the south-east.

  • 91°F maximum temperature91
    °F maximum temperature
  • 81°F minimum temperature81
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 57% chance of some rain57
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 10 mph from the South-East10
    mph wind from SE

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Expires at 23:59 on Wednesday 31st Dec 2025

Metric (°C)  |  Imperial (°F)

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