Weather in Taiwan - today, tomorrow and 14-day forecast
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in Taiwan's cities today
Weather map - today's temperatures
Next days in Taiwan
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Sunday 6 Sept in Taiwan, the forecast high is 30°C. Typical daytime temperatures at this time of year range from 28°C to 30°C, so it will be exceptionally warm. It is warmer than 95% of similar days.
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 29°C by day. The coolest year was 2001 (27°C) and the warmest was 2024 (31°C). The current forecast averages 29°C - higher than in 80% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Taiwan
Taiwan 30 & 45-day weather - long-range outlook
Today vs the next days - Taiwan cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| 🌧️ Kaohsiung | 31℃ | 30℃ | 30℃ | 1.8 mm |
| 🌧️ Douliu | 31℃ | 32℃ | 33℃ | 10.9 mm |
| 🌧️ Taichung | 30℃ | 32℃ | 32℃ | 7.1 mm |
| 🌧️ Tainan | 30℃ | 32℃ | 33℃ | 7.5 mm |
| 🌧️ Taoyuan | 29℃ | 29℃ | 31℃ | 16 mm |
| 🌧️ Keelung | 29℃ | 28℃ | 28℃ | 15.6 mm |
| 🌧️ Hsinchu | 29℃ | 30℃ | 32℃ | 7 mm |
| 🌧️ Hengchun | 29℃ | 28℃ | 29℃ | 6.8 mm |
| 🌧️ Taitung | 29℃ | 28℃ | 29℃ | 15.5 mm |
| 🌧️ Taipei | 27℃ | 30℃ | 31℃ | 11.2 mm |
Day-by-day forecast for Taiwan
Sea temperature - Taiwan
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Taoyuan | 30℃ | 29℃ | - | very warm |
| Hsinchu | 30℃ | 29℃ | 1.8 m | very warm |
| Taichung | 29℃ | 29℃ | 1.1 m | very warm |
| Taipei | 29℃ | 29℃ | - | very warm |
| Tainan | 29℃ | 30℃ | 0.7 m | very warm |
| Hengchun | 29℃ | 29℃ | 1.2 m | very warm |
| Kaohsiung | 29℃ | 29℃ | 1 m | very warm |
| Keelung | 29℃ | 29℃ | 3.1 m | very warm |
| Taitung | 29℃ | 29℃ | 1 m | very warm |
Air quality and smog in Taiwan
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Taichung City | 34 | 34.8 | good |
| Nantou | 34 | 34.8 | good |
| Douliu | 30.5 | 32.4 | good |
| Tainan | 20 | 24.7 | good |
| Kaohsiung City | 20 | 24.7 | good |
| Xinzhu | 17.8 | 23 | good |
| Tajpej | 16 | 20.9 | good |
| Keelung | 16 | 20.9 | good |
| Taitung City | 13 | 14.5 | very good |
| Taoyuan | 12.4 | 15.5 | very good |