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 Tuesday 2nd 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 Tuesday 2nd 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 9 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 9 (Very High)9
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 8 kph from the East8
    kph wind from E

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Hilo, Big Island weather for Wednesday 3rd September 2025

Expect sunshine and showers in Hilo, Big Island, Hawaii with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 9 kph from the north-east.

  • 27°C maximum temperature27
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    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 9 kph from the North-East9
    kph wind from NE

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Hilo, Big Island weather for Thursday 4th 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 10 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a light breeze of 9 kph from the east.

  • 28°C maximum temperature28
    °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 10 (Very High)10
    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 9 kph from the East9
    kph wind from E

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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 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 9 kph from the East9
    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 27°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a light breeze of 7 kph from the east.

  • 27°C maximum temperature27
    °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 11 (Extreme)11
    UV index (Extreme)
  • 38% chance of some rain38
    % 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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Metric (°C / mm)  |  Imperial (°F / inches)

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