Weather in Tonga - today, tomorrow and 14-day forecast

Right now temperatures across Tonga range from 22° to 22°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.

Next days in Tonga

today🌧️ 23°💧 0.8 mm

Thu🌧️ 23°💧 2.2 mm

Fri☀️ 23°💧 1.1 mm

Sat🌧️ 22°💧 0.8 mm

Sun🌧️ 22°💧 0.4 mm

Mon🌧️ 22°💧 0.6 mm

Tue🌧️ 22°💧 1.3 mm

Wed🌧️ 21°💧 0.8 mm

14-day forecast - Tonga

📅 Tonga 30 & 45-day weather - long-range outlook

Next 17 days · forecast

22°

around 22° at night · days with rain: 6

Weeks 3-4 · avg for July

25°

around 19° at night · rain chance 52%

Weeks 5-7 · avg for August

24°

around 19° at night · rain chance 48%

The 30 & 45-day outlook for Tonga: the next 17 days are a numerical forecast updated daily - on average 22° by day and 22° at night. Further out we rely on multi-year climate averages: around 25° in July, and about 24° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Tonga

Wednesday8 July 2026

🌧️23°light rain

sunrise 07:16 · sunset 18:14 · night 23° · evening 23° · rain 0.78 mm · humidity 72% · wind 8 m/s · clouds 95%

Thursday9 July 2026

🌧️23°light rain

sunrise 07:16 · sunset 18:14 · night 23° · evening 23° · rain 2.2 mm · humidity 73% · wind 8 m/s · clouds 99%

Friday10 July 2026

☀️23°clear sky

sunrise 07:16 · sunset 18:15 · night 23° · evening 23° · rain 1.07 mm · humidity 59% · wind 8 m/s · clouds 3%

Saturday11 July 2026

🌧️22°light rain

sunrise 07:16 · sunset 18:15 · night 22° · evening 22° · rain 0.83 mm · humidity 65% · wind 9 m/s · clouds 3%

Sunday12 July 2026

🌧️22°light rain

sunrise 07:16 · sunset 18:16 · night 22° · evening 22° · rain 0.39 mm · humidity 66% · wind 8 m/s · clouds 57%

Monday13 July 2026

🌧️22°light rain

sunrise 07:15 · sunset 18:16 · night 22° · evening 22° · rain 0.64 mm · humidity 69% · wind 6 m/s · clouds 19%

Tuesday14 July 2026

🌧️22°light rain

sunrise 07:15 · sunset 18:16 · night 22° · evening 22° · rain 1.26 mm · humidity 68% · wind 10 m/s · clouds 97%

Wednesday15 July 2026

🌧️21°light rain

sunrise 07:15 · sunset 18:17 · night 21° · evening 21° · rain 0.76 mm · humidity 62% · wind 10 m/s · clouds 100%

Thursday16 July 2026

🌧️21°light rain

sunrise 07:15 · sunset 18:17 · night 21° · evening 21° · rain 0.57 mm · humidity 61% · wind 11 m/s · clouds 96%

Friday17 July 2026

🌧️22°light rain

sunrise 07:15 · sunset 18:17 · night 22° · evening 22° · rain 0.5 mm · humidity 55% · wind 11 m/s · clouds 100%

Saturday18 July 2026

🌧️22°light rain

sunrise 07:15 · sunset 18:18 · night 22° · evening 22° · rain 0.13 mm · humidity 64% · wind 10 m/s · clouds 100%

Sunday19 July 2026

🌧️22°light rain

sunrise 07:14 · sunset 18:18 · night 22° · evening 22° · rain 0.51 mm · humidity 76% · wind 9 m/s · clouds 100%

Monday20 July 2026

🌧️22°moderate rain

sunrise 07:14 · sunset 18:18 · night 22° · evening 22° · rain 7.26 mm · humidity 91% · wind 14 m/s · clouds 100%

Tuesday21 July 2026

🌧️21°heavy rain

sunrise 07:14 · sunset 18:19 · night 21° · evening 21° · rain 51.4 mm · humidity 82% · wind 13 m/s · clouds 100%

Wednesday22 July 2026

🌧️23°light rain

sunrise 07:14 · sunset 18:19 · night 23° · evening 23° · rain 1.63 mm · humidity 69% · wind 10 m/s · clouds 29%

Thursday23 July 2026

🌧️22°light rain

sunrise 07:13 · sunset 18:20 · night 22° · evening 22° · rain 0.51 mm · humidity 67% · wind 11 m/s · clouds 36%

Friday24 July 2026

🌧️22°light rain

sunrise 07:13 · sunset 18:20 · night 22° · evening 22° · rain 0.45 mm · humidity 65% · wind 7 m/s

🌊 Sea temperature - Tonga

Water today

24°C

Week avg

24°C

Waves today

2.6 m

How's the water?

warm

16-day sea temperature forecast:

8.07 24°C9.07 24°C10.07 24°C11.07 24°C12.07 24°C13.07 24°C14.07 24°C15.07 24°C16.07 24°C

Average sea temperature through the year:

Jan 29°CFeb 29°CMar 29°CApr 28°CMay 27°CJun 26°CJul 25°CAug 25°CSep 25°COct 25°CNov 27°CDec 28°C

Beach	Water today	Water week avg	Waves	How's the water?
Nukuʻalofa	24℃	24℃	2.7 m	pleasant

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Tonga weather through the year

Tonga weather month by month - when is the best time to go?

January (30°)February (30°)March (29°)April (28°)May (27°)June (26°)July (25°)August (24°)September (25°)October (26°)November (28°)December (28°)

FAQ - Tonga weather

What is the weather like in Tonga today?

Today it is about 23° during the day and 23° at night, light rain.

How far ahead can I check the forecast for Tonga?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.