Cook Islands weather live forecast

Today's maximum temperature in the Cook Islands is expected to be 30°C. Select a day from the live weather forecast for the Cook Islands (Avarua) for more weather parameters.

Thursday
19th Mar
30

26

5

9
Friday
20th Mar
30

26

6

9
Saturday
21st Mar
30

26

4

11
Sunday
22nd Mar
30

26

6

11
Monday
23rd Mar
30

26

7

11

5-day weather forecast updated at 04:01 on Thursday 19th March 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 Thursday 19th March 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a fresh breeze of 30 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
69
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from E

Cook Islands weather for Friday 20th March 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 30 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
74
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from E

Cook Islands weather for Saturday 21st March 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a fresh breeze of 30 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
11
UV index (Extreme)
70
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
30
kph wind from E

Cook Islands weather for Sunday 22nd March 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 27 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
72
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from E

Cook Islands weather for Monday 23rd March 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a moderate breeze of 23 kph from the east.