Tomorrow's Weather Forecast - Hangzhou

Tomorrow's weather in Hangzhou. high 29°C (84°F), low 21°C (70°F). Drizzle.

Tomorrow’s Outlook

Tomorrow will be 2°C warmer than today. Light rain is possible, though a 22% peak chance means much of the day could stay dry. That risk lines up with humidity averaging 70% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 70%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 8 km/h. Sunrise is at 5:42 AM and sunset at 6:09 PM, for about 12h 27m of daylight.

Tomorrow
29°/ 21°
Today27° / 20°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon24°
Rain probability
0%
Wind speed
7 km/h
AfternoonNoon – 6 PM29°
Rain probability
0%
Wind speed
8 km/h
Evening6 PM – Midn25°
Rain probability
0%
Wind speed
6 km/h
NightMidn – 6 AM22°
Rain probability
22%
Wind speed
7 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep
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Temperature · peaks at +29°C

Planning Advice for Tomorrow

Clothing
Light layers work well; a jacket for the evening.
Outdoor
Good conditions for outdoor activities.
Travel
Standard travel conditions expected.

Sunrise & Sunset

Sunrise
Dawn 5:12 AM
Total Daylight
Full day forecastSolar noon 11:55 AM
Sunset
Dusk 6:39 PM
vs today-2 min daylight
Sunrise shift1 min later
Sunset shift1 min earlier

5-Day Weather Forecast

Full 15-Day Forecast

Weather Insight

Hangzhou is forecast to reach a high of 29°C tomorrow, with an overnight low around 21°C. Expect a low chance of rain (22% probability) and a gentle breeze averaging 8 km/h. Air quality is currently Unhealthy for Sensitive Groups (AQI 119), driven mainly by PM2.5 at 46 μg/m³.

Today vs Normal

27°C-3° below normal

The long-term average high for today is 30°C.

3 of the last 28 days with published data ran above normal.

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

2026-08-28: 30°C30°2026-08-29: 32°C32°2026-08-30: 31°C31°2026-08-31: 33°C33°2026-09-01: 29°C29°2026-09-02: 28°C28°2026-09-03: 29°C29°2026-09-04: 29°C29°2026-09-05: 27°C27°2026-09-06: 29°C29°2026-09-07: 28°C28°2026-09-08: 28°C28°

Red = above normal, blue = at or below · last 12 days

Air Quality

Air Quality
Unhealthy for Sensitive Groups

Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.