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.

Saturday
16th May
26

23

5

6
Sunday
17th May
26

23

6

7
Monday
18th May
27

23

2

4
Tuesday
19th May
27

22

0

2
Wednesday
20th May
27

23

5

6

5-day weather forecast updated at 04:00 on Saturday 16th May 2026 GMT

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Recommended for the Cook Islands

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

Top Cook Islands destinations

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 Saturday 16th May 2026

Expect broken clouds 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 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
22
kph wind from SE

Cook Islands weather for Sunday 17th May 2026

Expect broken clouds in Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-east.

26
°C maximum temperature
23
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from SE

Cook Islands weather for Monday 18th May 2026

Expect broken clouds in Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.

27
°C maximum temperature
23
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from E

Cook Islands weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 27°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 96% chance of some rain and a moderate breeze of 23 kph from the north-east.

27
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
96
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
23
kph wind from NE

Cook Islands weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 21 kph from the north-west.