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
17th Oct
26

23

0

11
Sunday
18th Oct
26

21

0

4
Monday
19th Oct
24

20

6

10
Tuesday
20th Oct
23

19

6

10
Wednesday
21st Oct
23

19

9

11

5-day weather forecast updated at 04:00 on Sunday 18th October 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.

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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 Saturday 17th October 2026

Expect mostly cloudy with rain in Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 16 kph from the east.

26
°C maximum temperature
23
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
11
UV index (Extreme)
99
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
16
kph wind from E

Cook Islands weather for Sunday 18th October 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 40-50 mm of rainfall expected with 98% chance of some rain and a fresh breeze of 30 kph from the south.

26
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
4
UV index (Moderate)
98
% chance of some rain
<50
mm of rainfall expected
L
low heat & humidity
30
kph wind from S

Cook Islands weather for Monday 19th October 2026

Expect broken clouds in Cook Islands with a maximum temperature of 24°C, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south.

24
°C maximum temperature
20
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from S

Cook Islands weather for Tuesday 20th October 2026

Expect broken clouds in Cook Islands with a maximum temperature of 23°C, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

23
°C maximum temperature
19
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
13
kph wind from S

Cook Islands weather for Wednesday 21st October 2026

Expect scattered clouds in Cook Islands with a maximum temperature of 23°C, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.