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 26th September 2025 GMT

More about Hilo, Big Island

Hilo, Big Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Hawaii

Luxury Escapes: Top handpicked holiday deals

  • Explore top handpicked deals on luxury holidays
  • Sign up for free to receive exclusive deals daily
  • Book holidays to destinations around the world
Go to Luxury Escapes deal >>

View all Luxury Escapes offers

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 26th September 2025

Expect isolated thunderstorms in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a light breeze of 8 kph from the south-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 54% chance of some rain54
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 8 kph from the South-East8
    kph wind from SE

Back to top

Hilo, Big Island weather for Saturday 27th September 2025

Expect isolated thunderstorms in Hilo, Big Island, Hawaii with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 22% chance of some rain and a light breeze of 9 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 22% chance of some rain22
    % 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

Back to top

Hilo, Big Island weather for Sunday 28th 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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a light breeze of 10 kph from the north-east.

  • 28°C maximum temperature28
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 10 kph from the North-East10
    kph wind from NE

Back to top

Hilo, Big Island weather for Monday 29th September 2025

Expect mostly cloudy with light rain in Hilo, Big Island, Hawaii with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 10 kph from the north-east.

  • 29°C maximum temperature29
    °C maximum temperature
  • 21°C minimum temperature21
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 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 10 kph from the North-East10
    kph wind from NE

Back to top

Hilo, Big Island weather for Tuesday 30th 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 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 11 kph from the north-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 9 (Very High)9
    UV index (Very High)
  • 36% chance of some rain36
    % 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

Back to top

Marriott discount code: up to 20% off hotel stays

  • Save up to 20% when you book long stays with Marriott
  • 20% off - 4-6 nights, 15% off 3 nights
  • Book hotels in Europe, the Middle East & Africa
Show discount codeShow discount code ******UK8
Redeem Marriott discount code >>

View all Marriott offers

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

Back to top

More about the USA

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^