Tonga Veður Spá
Tonga weather: 21°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
14-day forecast for Tonga
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| lau., ágú 22 | 🌦️ Drizzle | 21° / 19° | 78% · 4 mm | 28 km/h | 2 |
| sun., ágú 23 | 🌦️ Light drizzle | 23° / 20° | 22% · 1 mm | 27 km/h | 7 |
| mán., ágú 24 | 🌦️ Light drizzle | 24° / 20° | 15% · 0 mm | 30 km/h | 7 |
| þri., ágú 25 | 🌦️ Light drizzle | 23° / 20° | 33% · 1 mm | 33 km/h | 7 |
| mið., ágú 26 | 🌦️ Light drizzle | 23° / 20° | 31% · 0 mm | 32 km/h | 7 |
| fim., ágú 27 | 🌦️ Drizzle | 23° / 20° | 59% · 4 mm | 41 km/h | 6 |
| fös., ágú 28 | 🌦️ Light drizzle | 24° / 21° | 27% · 2 mm | 39 km/h | 7 |
| lau., ágú 29 | 🌦️ Light drizzle | 23° / 21° | 37% · 4 mm | 41 km/h | 7 |
| sun., ágú 30 | ⛈️ Violent showers | 25° / 22° | 35% · 42 mm | 43 km/h | 7 |
| mán., ágú 31 | ⛈️ Violent showers | 25° / 22° | 23% · 35 mm | 28 km/h | 6 |
| þri., sep 1 | 🌦️ Light drizzle | 23° / 21° | 22% · 1 mm | 20 km/h | 2 |
| mið., sep 2 | 🌦️ Light drizzle | 24° / 21° | 14% · 1 mm | 23 km/h | 1 |
| fim., sep 3 | 🌦️ Light drizzle | 23° / 20° | 24% · 3 mm | 26 km/h | 6 |
| fös., sep 4 | ☁️ Skýjað | 23° / 19° | 18% | 25 km/h | 8 |
The two-week trend
Steady. The second week averages within a degree of the first, so no big change is signalled.
The window averages 23°C against a ágúst normal of 24°C - right on average.
Rigningfall over the next 7 days is close til normal for ágúst (12 mm against a typical 21 mm).
What this means for Tonga
Today is slightly cooler than average for ágúst. The forecast high of 21°C is 2.9°C below the 24°C typical for this month.
A 78% chance means rain is expected over most of the area. Plan indoor alternatives.
Vindhviður til 55 km/h will push high-sided vehicles on exposed roads and bridges. Wet roads are likely; braking distances roughly double in heavy rain.
Southern Hemisphere, so peak summer falls in desember til febrúar.
The gap between the warmest and coldest month averages 5°C - an unusually even climate through the year.
What til pack, what til skip
- A packable rain shell - 2 of the next 7 days carry a real chance of rain
- Insect repellent and quick-dry fabrics for humidity
- Avoid exposed ridgelines, small boats and rooftop viewpoints while gusts stay above 55 km/h.
- If your dates are flexible, avoid febrúar, mars and maí - historically the least comfortable months here.
Sjá spá fyrir Tonga eftir tímabili
Tonga weather - more answers
Explore Tonga
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is Tonga?
Tonga er land í Eyjaálfa. Its coordinates are -21.1393, -175.2049. It lies in Eyjaálfa.
What is the weather like in Tonga núna?
It is currently 21°C (69°F) með skýjað. Raki is 64% and wind is 25 km/h.
When is the best time til visit Tonga?
apríl, júní, júlí, ágúst and september offer the most comfortable conditions in Tonga, which has a tropical climate. febrúar, mars and maí are usually the hardest months for outdoor plans.
What time zone is Tonga in?
Tonga observes Pacific/Tongatapu (UTC+13:00). The local time is 6:02 PM.
How many people live in Tonga?
Tonga has a population of approximately 105.000.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (countries-v1) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated ágúst 22, 2026 at 6:02 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
