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9-day Weather Forecast

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General Situation:

The anticyclone aloft covering the coast of Guangdong will weaken gradually tomorrow. With a strong easterly airstream reaching the coastal areas, there will be showers and squally thunderstorms over the region in the next couple of days. A trough of low pressure is expected to bring unsettled weather to southern China midweek next week.

26 Apr
(FRI)
27 Apr
(SAT)
28 Apr
(SUN)
29 Apr
(MON)
30 Apr
(TUE)
01 May
(WED)
02 May
(THU)
03 May
(FRI)
04 May
(SAT)
Light Rain
Mainly cloudy with a few showers. More showers and squally thunder-storms later.
Rain
Cloudy with occasional showers. A few squally thunder-storms at first.
Light Rain
Mainly cloudy with a few showers.
SUNNY PERIODS
Sunny periods and isolated showers. Relatively low visibility at first.
Sunny Periods with A Few Showers
Sunny periods. A few showers and isolated thunder-storms later.
Thunderstorms
Cloudy. Heavy showers with squalls and thunder-storms.
Rain
Mainly cloudy with showers. A few thunder-storms at first.
Sunny Intervals with Showers
Sunny intervals and a few showers.
Light Rain
Mainly cloudy with 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]
South force 2 to 3, becoming east force 4 at night.
East force 4 to 5, occasionally force 6 offshore.
East force 4, force 5 offshore.
Southeast force 3 to 4.
South force 3, becoming northeast force 4.
East force 4, force 5 offshore.
East force 4, force 5 offshore.
26 Apr
(FRI)
27 Apr
(SAT)
28 Apr
(SUN)
29 Apr
(MON)
30 Apr
(TUE)
01 May
(WED)
02 May
(THU)
03 May
(FRI)
04 May
(SAT)

Updated at: 11:30 HKT 25 Apr 2019


(Next update at: 16:30 HKT 25 Apr 2019)

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region
Climatological information for 26 Apr - 04 May

Sea surface temperature
7 a.m. on 25 Apr 2019 at North Point :
25 °C
Soil temperatures
7 a.m. on 25 Apr 2019 at the Hong Kong Observatory:
0.5m depth:26.2°C
1.0m depth:25.3°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.