A dry northeast monsoon will continue to bring generally fine weather to southern China tomorrow. Under the influence of an easterly airstream, there will be a few showers over the coastal areas midweek this week. The replenishment of the monsoon will affect southern China from the latter part of this week to early next week, the weather will improve over the region. Besides, Tropical Cyclone Neoguri will move in the general direction of Honshu of Japan and evolve into an extratropical cyclone gradually today and tomorrow.
22 Oct (TUE)
23 Oct (WED)
24 Oct (THU)
25 Oct (FRI)
26 Oct (SAT)
27 Oct (SUN)
28 Oct (MON)
29 Oct (TUE)
30 Oct (WED)
Mainly fine. Dry during the day.
Sunny intervals and one or two showers.
Sunny periods and one or two showers.
Sunny periods. One or two showers at first.
Forecast: maximum temperature
50% of the days have maximum temperatures falling within this range (based on 30-year climate data)[note 1]
50% of the days have minimum temperatures falling within this range (based on 30-year climate data)[note 1]
Sea surface temperature 2 p.m. on 21 Oct 2019 at North Point :
Soil temperatures 7 a.m. on 21 Oct 2019 at the Hong Kong Observatory:
This middle 50% range (between 25th and 75th percentiles) is calculated based on the maximum/minimum temperature and relative humidity data within a 5-day period centred on that day in the 30 years from 1981 to 2010.
"9-day Weather Forecast" provides general indications of the trends in weather for the coming 9 days.
For detailed description of today's weather forecast, please refer to "Local Weather Forecast".
The accuracy of forecast generally decreases with forecast period. The average accuracy of weather forecast for the next one to three days, four to seven days, and eight to nine days are about 90%, 85% and 80% respectively.
The accuracy of forecast also varies for different weather systems in different seasons. Generally speaking, weather in spring and summer such as fog, tropical cyclone and severe convective weather is more changeable, resulting in higher uncertainty of forecast.