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9-day Weather Forecast

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General Situation:

A continental airstream will bring very hot weather to southern China in the next couple of days. The tropical cyclone now over the seas east of the Philippines will intensify gradually. It is expected to enter the northeastern part of the South China Sea on Monday and will edge further closer to the south China coast on Tuesday. The weather over the coast of Guangdong will deteriorate early to midweek next week. There will be heavy squally showers with high winds and rough seas.

31 Jul
(SUN)
01 Aug
(MON)
02 Aug
(TUE)
03 Aug
(WED)
04 Aug
(THU)
05 Aug
(FRI)
06 Aug
(SAT)
07 Aug
(SUN)
08 Aug
(MON)
Sunny Periods with A Few Showers
Sunny periods and very hot apart from some haze. Isolated showers and thunder-storms later.
Sunny Periods with A Few Showers
Sunny periods and very hot. Some haze at first. A few showers. Showers will be more frequent with thunder-storms later.
Heavy Rain
Cloudy to overcast with heavy rain and squalls. Rough seas.
Rain
Cloudy to overcast with squally showers. Rough seas.
Light Rain
Cloudy with a few showers.
Light Rain
Mainly cloudy with a few showers.
Light Rain
Mainly cloudy with a few showers.
Sunny Intervals with Showers
Sunny intervals and a few showers.
Sunny Intervals with Showers
Sunny intervals and a few showers.

Forecast: maximum temperature minimum 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]

Forecast: maximum relative humidity minimum relative humidity

50% of the days have maximum relative humidity falling within this range (based on 30-year climate data)[note 1]
50% of the days have minimum relative humidity falling within this range (based on 30-year climate data)[note 1]
North to northwest force 2 to 3, becoming force 4 to 5 later.
North to northwest force 5 to 6, occasionally up to force 8 offshore.
West to southwest force 5 to 6, occasionally force 7 offshore at first.
South to southeast force 3 to 4.
South to southwest force 3 to 4.
South to southwest force 3 to 4.
South to southwest force 3 to 4.
31 Jul
(SUN)
01 Aug
(MON)
02 Aug
(TUE)
03 Aug
(WED)
04 Aug
(THU)
05 Aug
(FRI)
06 Aug
(SAT)
07 Aug
(SUN)
08 Aug
(MON)

Updated at: 12:05 HKT 30 Jul 2016


(Next update at: 16:30 HKT 30 Jul 2016)

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region
Climatological information for 31 Jul - 08 Aug

Sea surface temperature
7 a.m. on 30 Jul 2016 at North Point :
26 °C
Soil temperatures
7 a.m. on 30 Jul 2016 at the Hong Kong Observatory:
0.5m depth:30.6°C
1.0m depth:29.9°C

Note:
  1. 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.
  2. "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".
  3. 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.
  4. 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.