- Clothing
- Light waterproof jacket with an umbrella is a smart choice.
Tomorrow's Weather Forecast - Tainan
Tomorrow's weather in Tainan. high 31°C (88°F), low 25°C (77°F). Drizzle.
Tomorrow’s Outlook
Tomorrow brings a similar temperature to today. Showers are likely in the afternoon and evening, with rain probability peaking near 59%. That risk lines up with humidity averaging 83% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 83%, so it will feel muggier and stickier than the temperature alone suggests. A light breeze near 12 km/h is expected. Sunrise is at 5:44 AM and sunset at 6:06 PM, for about 12h 21m of daylight.
- Tomorrow
- 31°/ 25°
- Today30° / 24°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon28°
- Rain probability
- 2%
- Wind speed
- 10 km/h
AfternoonNoon – 6 PM30°
- Rain probability
- 59%
- Wind speed
- 12 km/h
Evening6 PM – Midn28°
- Rain probability
- 51%
- Wind speed
- 7 km/h
NightMidn – 6 AM25°
- Rain probability
- 4%
- Wind speed
- 12 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Outdoor plans may need flexibility; showers are likely.
- Travel
- Wet roads may slow traffic; allow a little extra time.
Sunrise & Sunset
Sunrise
Dawn 5:14 AMTotal Daylight
Full day forecastSolar noon 11:55 AM
Sunset
Dusk 6:36 PMvs today-2 min daylight
Sunrise shiftSame time
Sunset shift1 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Tainan is forecast to reach a high of 31°C tomorrow, with an overnight low around 25°C. That's 2° above the long-term average high of 29°C for this time of year. Expect a fair chance of rain (59% probability) and a gentle breeze averaging 12 km/h. Air quality is currently Unhealthy (AQI 176), driven mainly by PM2.5 at 96 μg/m³.
Today vs Normal
30°C+1° above 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
Air Quality
Unhealthy
Health effects can be immediately felt by sensitive groups. Healthy individuals may experience difficulty breathing and throat irritation with prolonged exposure. Limit outdoor activity.