Tonga weather live forecast

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

Thursday
15th Jan
30

23

2

9
Friday
16th Jan
29

25

3

11
Saturday
17th Jan
30

25

6

11
Sunday
18th Jan
30

25

8

11
Monday
19th Jan
30

25

6

11

5-day weather forecast updated at 04:01 on Thursday 15th January 2026 GMT

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Recommended for Tonga

The 5-day weather forecast for Tonga (Nuku'alofa) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Top Tonga destinations

Below are temperatures expected today at popular countries, regions and places in Tonga. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

30
Nuku'alofa
30
Vava'u

All Tonga destinations

Tonga weather forecast by day

Below are the detailed weather forecasts for Tonga for the next 5 days. The forecasts shown are for Nuku'alofa and may not represent the whole of Tonga. Browse more destinations in Tonga to view more weather forecasts.

Tonga weather for Thursday 15th January 2026

Expect isolated thunderstorms in Tonga with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 16 kph from the east.

30
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
9
UV index (Very High)
31
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from E

Tonga weather for Friday 16th January 2026

Expect isolated thunderstorms in Tonga with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 14 kph from the north.

29
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
11
UV index (Extreme)
62
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from N

Tonga weather for Saturday 17th January 2026

Expect isolated thunderstorms in Tonga 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 10-20 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 16 kph from the north-west.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
85
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from NW

Tonga weather for Sunday 18th January 2026

Expect isolated thunderstorms in Tonga with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a light breeze of 12 kph from the north-west.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
11
UV index (Extreme)
53
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from NW

Tonga weather for Monday 19th January 2026

Expect isolated thunderstorms in Tonga 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 0-2 mm of rainfall expected with 59% chance of some rain and a light breeze of 9 kph from the north-west.