Skies will be cloudy for the first five days of the weeklong National Day holiday with showers and gales expected on Thursday, the local meteorological bureau said.
The temperature is forecast to range from 21 to 30 degrees Celsius throughout the holiday with good air quality, the bureau said.
"Typhoon Megi has weakened to a tropical depression, and its influence to Shanghai will gradually stop today," said Zhu Jiehua, a chief service officer at the bureau.
It should be cloudy with thundershowers in some areas between noon and early evening tonight, and the wind will lose power, according to the bureau. Temperatures today should range from 23 to 29 degrees.
Tomorrow, the first day of the holiday, is expected to be cloudy, with the highest temperature reaching 30 degrees and a low of 25 degrees.
Clouds again for Sunday, with temperatures forecast to be the same as tomorrow, according to the bureau.
Showers or thunderstorms are expected from Sunday night to midday Monday due to the influence of a trough.
It should turn cloudy from Monday afternoon, according to the bureau.
Both Tuesday and Wednesday are set to be cloudy most of the time, with temperatures hovering between 23 and 28 degrees both days.
Chaba, a tropical storm that was formed in the northwest part of the Pacific Ocean last Wednesday, is expected to develop into a strong typhoon, forecasters said.
Chaba is moving northwest at 20 kilometers per hour, gaining power gradually, the National Meteorological Center of China said.
"Tropical storm Chaba is expected to approach east Taiwan on October 3, and we are closely observing its direction and development," said Zhu.
It will probably move towards southwest Japan later, forecasters said.
Thursday will turn rainy under the influence of the tropical system periphery, with gales expected. The temperature will hover between 22 and 26 degrees, according to the bureau.
On Friday, it is expected to be overcast.
