Mitiaro weather live forecast

Today's maximum temperature in Mitiaro is expected to be 26°C. Select a day from the live weather forecast for Mitiaro, Cook Islands for more weather parameters.

5-day weather forecast updated at 04:02 on Tuesday 16th September 2025 GMT

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The 5-day weather forecast for Cook Islands (Mitiaro) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mitiaro weather forecast by day

Below are the detailed weather forecasts for Mitiaro for the next 5 days.

Mitiaro weather for Tuesday 16th September 2025

Expect broken clouds in Mitiaro, Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 5 hours of bright sunshine5
    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
  • Gentle breeze of 15 kph from the South-East15
    kph wind from SE

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Mitiaro weather for Wednesday 17th September 2025

Expect mostly cloudy with rain in Mitiaro, Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 19 kph from the south-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 99% chance of some rain99
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 19 kph from the South-East19
    kph wind from SE

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Mitiaro weather for Thursday 18th September 2025

Expect isolated thunderstorms in Mitiaro, Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and no hours of bright sunshine. There are 40-50 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 18 kph from the north-east.

  • 26°C maximum temperature26
    °C maximum temperature
  • 22°C minimum temperature22
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 99% chance of some rain99
    % chance of some rain
  • 40-50 mm of rainfall expected<50
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 18 kph from the North-East18
    kph wind from NE

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Mitiaro weather for Friday 19th September 2025

Expect isolated thunderstorms in Mitiaro, Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 40-50 mm of rainfall expected with 78% chance of some rain and a gentle breeze of 17 kph from the north.

  • 27°C maximum temperature27
    °C maximum temperature
  • 23°C minimum temperature23
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 78% chance of some rain78
    % chance of some rain
  • 40-50 mm of rainfall expected<50
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 17 kph from the North17
    kph wind from N

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Mitiaro weather for Saturday 20th September 2025

Expect isolated thunderstorms in Mitiaro, Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 50% chance of some rain and a light breeze of 8 kph from the east.

  • 26°C maximum temperature26
    °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 11 (Extreme)11
    UV index (Extreme)
  • 50% chance of some rain50
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    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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Metric (°C / mm)  |  Imperial (°F / inches)

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