Hilo, Big Island weather live forecast

Tomorrow's maximum temperature in Hilo, Big Island is expected to be 81°F.

5-day weather forecast updated at 04:01 on Friday 18th July 2025 GMT

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The 5-day weather forecast for Hawaii (Hilo, Big Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hilo, Big Island weather forecast by day

Below are the detailed weather forecasts for Hilo, Big Island for the next 5 days.

Hilo, Big Island weather for Friday 18th July 2025

Expect mostly cloudy with light rain in Hilo, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a light breeze of 5 mph from the north-east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 30% chance of some rain30
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 5 mph from the North-East5
    mph wind from NE

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Hilo, Big Island weather for Saturday 19th July 2025

Expect mostly cloudy with light rain in Hilo, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a light breeze of 5 mph from the east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 42% chance of some rain42
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 5 mph from the East5
    mph wind from E

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Hilo, Big Island weather for Sunday 20th July 2025

Expect sunshine and showers in Hilo, Big Island, Hawaii with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 6 mph from the east.

  • 81°F maximum temperature81
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 41% chance of some rain41
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    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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Hilo, Big Island weather for Monday 21st July 2025

Expect mostly cloudy with light rain in Hilo, Big Island, Hawaii with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a light breeze of 6 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 45% chance of some rain45
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    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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Hilo, Big Island weather for Tuesday 22nd July 2025

Expect mostly cloudy with light rain in Hilo, Big Island, Hawaii with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a light breeze of 6 mph from the east.

  • 82°F maximum temperature82
    °F maximum temperature
  • 70°F minimum temperature70
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    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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