15-Day Weather Forecast - Tainan
15-day weather forecast for Tainan: temperatures from 24°C (75°F) to 31°C (88°F). Average daily high 30°C (86°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Tainan's 15-day outlook ranges from a low of 24°C to a high of 31°C, with an average daytime high near 30°C. That's 1° above the long-term average high of 29°C for this time of year. Air quality is currently Unhealthy (AQI 176), driven mainly by PM2.5 at 96 μg/m³.
Today vs Normal
The long-term average high for today is 29°C.
10 of the last 28 days with published data ran above normal.
That's a break from the pattern - today's forecast runs above normal even though the recent stretch mostly ran below.
Red = above normal, blue = at or below · last 12 days
Air Quality
Health effects can be immediately felt by sensitive groups. Healthy individuals may experience difficulty breathing and throat irritation with prolonged exposure. Limit outdoor activity.
Extended Outlook for Tainan
Over the next 15 days, Tainan is forecast to see temperatures ranging from 23°C to 32°C, averaging a daily high of 30°C. The extended outlook indicates significant rainfall totalling 35.6 mm spread across 12 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.