Cook Islands weather live forecast

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

Wednesday
27th May
26

22

0

2
Thursday
28th May
26

23

5

6
Friday
29th May
25

22

6

6
Saturday
30th May
25

22

5

6
Sunday
31st May
24

22

3

6

5-day weather forecast updated at 04:00 on Wednesday 27th May 2026 GMT

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

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Below are temperatures expected today at popular countries, regions and places in the Cook Islands. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Cook Islands weather forecast by day

Below are the detailed weather forecasts for the Cook Islands for the next 5 days. The forecasts shown are for Avarua and may not represent the whole of the Cook Islands. Browse more destinations in Cook Islands to view more weather forecasts.

Cook Islands weather for Wednesday 27th May 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 17 kph from the north-west.

26
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
73
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
17
kph wind from NW

Cook Islands weather for Thursday 28th May 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 30% chance of some rain and a gentle breeze of 13 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
30
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
13
kph wind from SE

Cook Islands weather for Friday 29th May 2026

Expect broken clouds in Cook Islands with a maximum temperature of 25°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

25
°C maximum temperature
22
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from SE

Cook Islands weather for Saturday 30th May 2026

Expect broken clouds in Cook Islands with a maximum temperature of 25°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-east.

25
°C maximum temperature
22
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from SE

Cook Islands weather for Sunday 31st May 2026

Expect broken clouds in Cook Islands with a maximum temperature of 24°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.