Cook Islands weather live forecast

Today's maximum temperature in the Cook Islands is expected to be 28°C. Select a day from the live weather forecast for the Cook Islands (Avarua) for more weather parameters.

Tuesday
12th May
28

25

6

6
Wednesday
13th May
28

24

7

5
Thursday
14th May
27

23

4

4
Friday
15th May
26

22

5

6
Saturday
16th May
26

22

7

6

5-day weather forecast updated at 04:00 on Tuesday 12th 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 Tuesday 12th May 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a moderate breeze of 21 kph from the east.

28
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
46
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
21
kph wind from E

Cook Islands weather for Wednesday 13th May 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 19 kph from the east.

28
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
5
UV index (Moderate)
55
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
19
kph wind from E

Cook Islands weather for Thursday 14th May 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a light breeze of 10 kph from the south.

27
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
84
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
10
kph wind from S

Cook Islands weather for Friday 15th 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 62% chance of some rain and a gentle breeze of 19 kph from the south.

26
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
62
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
19
kph wind from S

Cook Islands weather for Saturday 16th May 2026

Expect broken clouds in Cook Islands with a maximum temperature of 26°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.