Tonga weather live forecast

Today's maximum temperature in Tonga is expected to be 25°C. Select a day from the live weather forecast for Tonga (Nuku'alofa) for more weather parameters.

Monday
17th Aug
25

19

0

4
Tuesday
18th Aug
23

18

5

8
Wednesday
19th Aug
22

18

1

7
Thursday
20th Aug
22

18

0

3
Friday
21st Aug
22

18

0

7

5-day weather forecast updated at 04:00 on Sunday 16th August 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
Vava'u
25
Nuku'alofa

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 Monday 17th August 2026

Expect mostly cloudy with rain in Tonga with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 14 kph from the north-east.

25
°C maximum temperature
19
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
4
UV index (Moderate)
88
% chance of some rain
<10
mm of rainfall expected
25
°C wind chill
14
kph wind from NE

Tonga weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Tonga with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 16% chance of some rain and a moderate breeze of 28 kph from the south.

23
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
8
UV index (Very High)
16
% chance of some rain
<5
mm of rainfall expected
23
°C wind chill
28
kph wind from S

Tonga weather for Wednesday 19th August 2026

Expect broken clouds in Tonga with a maximum temperature of 22°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south.

22
°C maximum temperature
18
°C minimum temperature
broken clouds
1
hour of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from S

Tonga weather for Thursday 20th August 2026

Expect overcast skies in Tonga with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-east.

22
°C maximum temperature
18
°C minimum temperature
overcast skies
0
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
30
kph wind from SE

Tonga weather for Friday 21st August 2026

Expect overcast skies in Tonga with a maximum temperature of 22°C, maximum UV of 7 (High) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.