Tonga weather live forecast

Today's maximum temperature in Tonga is expected to be 27°C. Select a day from the live weather forecast for Tonga (Nuku'alofa) for more weather parameters.

Saturday
16th May
27

22

5

6
Sunday
17th May
25

21

6

7
Monday
18th May
26

21

3

6
Tuesday
19th May
26

21

4

4
Wednesday
20th May
26

21

5

7

5-day weather forecast updated at 04:00 on Saturday 16th May 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.

27
Nuku'alofa
27
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 Saturday 16th May 2026

Expect broken clouds in Tonga with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the south-east.

27
°C maximum temperature
22
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
31
kph wind from SE

Tonga weather for Sunday 17th May 2026

Expect sunshine and showers in Tonga with a maximum temperature of 25°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a fresh breeze of 31 kph from the south-east.

25
°C maximum temperature
21
°C minimum temperature
sunshine and showers
6
hours of sunshine
7
UV index (High)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
31
kph wind from SE

Tonga weather for Monday 18th May 2026

Expect broken clouds in Tonga with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the east.

26
°C maximum temperature
21
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from E

Tonga weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Tonga with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 40-50 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 23 kph from the east.

26
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
72
% chance of some rain
<50
mm of rainfall expected
L
low heat & humidity
23
kph wind from E

Tonga weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Tonga with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 41% chance of some rain and a light breeze of 11 kph from the south.