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9-day Weather Forecast

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General Situation:

A band of clouds will cover the south China coast in the next few days. Under the influence of an anticylone aloft over the northern part of the South China Sea, the weather will improve gradually over the coast of Guangdong during the weekend and early next week. A southerly airstream will also bring hot weather to the region next week.

25 Apr
(WED)
26 Apr
(THU)
27 Apr
(FRI)
28 Apr
(SAT)
29 Apr
(SUN)
30 Apr
(MON)
01 May
(TUE)
02 May
(WED)
03 May
(THU)
Cloudy
Mainly cloudy.
Cloudy
Mainly cloudy. Isolated showers later.
Cloudy
Mainly cloudy with isolated showers.
SUNNY INTERVALS
Sunny intervals.
SUNNY PERIODS
Sunny periods.
SUNNY PERIODS
Mainly fine. Coastal mist in the morning. Hot during the day.
SUNNY PERIODS
Mainly fine. Coastal mist in the morning. Hot during the day.
SUNNY PERIODS
Mainly fine. Hot during the day.
SUNNY PERIODS
Mainly fine. Hot during the day.

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]
East to northeast force 4.
East force 3.
South to southeast force 3.
South force 3.
South force 3.
South force 3.
South force 3.
25 Apr
(WED)
26 Apr
(THU)
27 Apr
(FRI)
28 Apr
(SAT)
29 Apr
(SUN)
30 Apr
(MON)
01 May
(TUE)
02 May
(WED)
03 May
(THU)

Updated at: 11:30 HKT 24 Apr 2018


(Next update at: 16:30 HKT 24 Apr 2018)

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region
Climatological information for 25 Apr - 03 May

Sea surface temperature
7 a.m. on 24 Apr 2018 at North Point :
24 °C
Soil temperatures
7 a.m. on 24 Apr 2018 at the Hong Kong Observatory:
0.5m depth:25.5°C
1.0m depth:24.8°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.