Hilo, Big Island weather live forecast

Today's maximum temperature in Hilo, Big Island is expected to be 28°C. Select a day from the live weather forecast for Hilo, Big Island, Hawaii, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 5th September 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 5th September 2025

Expect broken clouds in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 kph from the East7
    kph wind from E

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Hilo, Big Island weather for Saturday 6th September 2025

Expect sunshine and showers in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 7 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 kph from the East7
    kph wind from E

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Hilo, Big Island weather for Sunday 7th September 2025

Expect sunshine and showers in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a light breeze of 7 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 53% chance of some rain53
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 kph from the East7
    kph wind from E

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Hilo, Big Island weather for Monday 8th September 2025

Expect sunshine and showers in Hilo, Big Island, Hawaii with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a light breeze of 11 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    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 11 kph from the North-East11
    kph wind from NE

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Hilo, Big Island weather for Tuesday 9th September 2025

Expect mostly cloudy with rain in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 71% chance of some rain and a light breeze of 10 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 24°C minimum temperature24
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 71% chance of some rain71
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the North-East10
    kph wind from NE

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

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