Hilton Head Island weather live forecast

Today's maximum temperature in Hilton Head Island is expected to be 90°F. Select a day from the live weather forecast for Hilton Head Island, South Carolina, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 20th August 2025 GMT

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The 5-day weather forecast for South Carolina (Hilton Head Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hilton Head Island weather forecast by day

Below are the detailed weather forecasts for Hilton Head Island for the next 5 days.

Hilton Head Island weather for Wednesday 20th August 2025

Expect scattered clouds in Hilton Head Island, South Carolina with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north.

  • 90°F maximum temperature90
    °F maximum temperature
  • 79°F minimum temperature79
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • High heat & humidityH
    high heat & humidity
  • Gentle breeze of 8 mph from the North8
    mph wind from N

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Hilton Head Island weather for Thursday 21st August 2025

Expect isolated thunderstorms in Hilton Head Island, South Carolina with a maximum temperature of 90°F, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and little or no wind of 3 mph from the north-west.

  • 90°F maximum temperature90
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 3 mph from the North-West3
    mph wind from NW

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Hilton Head Island weather for Friday 22nd August 2025

Expect isolated thunderstorms in Hilton Head Island, South Carolina with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a light breeze of 5 mph from the east.

  • 84°F maximum temperature84
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 87% chance of some rain87
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Light breeze of 5 mph from the East5
    mph wind from E

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Hilton Head Island weather for Saturday 23rd August 2025

Expect isolated thunderstorms in Hilton Head Island, South Carolina with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a light breeze of 6 mph from the east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 77°F minimum temperature77
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 93% chance of some rain93
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 6 mph from the East6
    mph wind from E

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Hilton Head Island weather for Sunday 24th August 2025

Expect isolated thunderstorms in Hilton Head Island, South Carolina with a maximum temperature of 84°F, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and little or no wind of 3 mph from the north.

  • 84°F maximum temperature84
    °F maximum temperature
  • 75°F minimum temperature75
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 68% chance of some rain68
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Little or no wind of 3 mph from the North3
    mph wind from N

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