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.

Saturday
17th Jan
28

24

6

11
Sunday
18th Jan
29

25

8

11
Monday
19th Jan
29

25

7

11
Tuesday
20th Jan
29

25

5

10
Wednesday
21st Jan
29

25

5

11

5-day weather forecast updated at 04:02 on Saturday 17th January 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 17th January 2026

Expect broken clouds in Cook Islands with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north.

28
°C maximum temperature
24
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
4
kph wind from N

Cook Islands weather for Sunday 18th January 2026

Expect broken clouds in Cook Islands with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the north-east.

29
°C maximum temperature
25
°C minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
3
kph wind from NE

Cook Islands weather for Monday 19th January 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a light breeze of 9 kph from the north-west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
62
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
9
kph wind from NW

Cook Islands weather for Tuesday 20th January 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 20-30 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 15 kph from the west.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
92
% chance of some rain
<30
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from W

Cook Islands weather for Wednesday 21st January 2026

Expect isolated thunderstorms in Cook Islands with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 40-50 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 18 kph from the west.