Weekend Weather Forecast - Tainan

Weekend weather in Tainan. Saturday high 31°C (88°F). Sunday high 30°C (86°F).

Weekend Hourly Forecast

Fri·11 Sep
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Temperature · peaks at +29°C

48-Hour Weekend Forecast Chart

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Fri11 Sep
Sat12 Sep
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Temperature · peaks at +30°C

Weekend Activity Outlook

Travel / Drive
Rating
Poor
Reason
Heavy rain — road conditions poor
Outdoor Sports
Rating
Poor
Reason
Wet field — matches likely cancelled
Home / Laundry
Rating
Poor
Reason
Rain will prevent outdoor drying
Outdoor Events
Rating
Poor
Reason
Venue should have indoor backup ready

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Tainan is forecast to reach a high of 31°C this weekend, with an overnight low around 24°C. That's 2° above the long-term average high of 29°C for this time of year. Expect a low chance of rain (35% 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

29°C0° below normal

The long-term average high for today is 29°C.

8 of the last 19 days with published data ran above normal.

It continues that pattern - today's forecast is also running below normal.

2026-08-19: 32°C32°2026-08-20: 29°C29°2026-08-21: 29°C29°2026-08-22: 29°C29°2026-08-23: 28°C28°2026-08-24: 28°C28°2026-08-25: 29°C29°2026-08-26: 29°C29°2026-08-27: 30°C30°2026-08-28: 29°C29°2026-08-29: 29°C29°2026-08-30: 29°C29°

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.