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9-day Weather Forecast

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General Situation:

A replenishment of the northeast monsoon will bring slightly cooler weather to the coast of Guangdong on Monday. Under the influence of another relatively strong replenishment of the monsoon, temperatures over the south China coast will fall further on Wednesday night. It will be cooler and the weather will improve gradually in the following couple of days. Besides, Tropical Cyclone Toraji will move in the general direction of the southern part of Vietnam today and tomorrow.

18 Nov
(SUN)
19 Nov
(MON)
20 Nov
(TUE)
21 Nov
(WED)
22 Nov
(THU)
23 Nov
(FRI)
24 Nov
(SAT)
25 Nov
(SUN)
26 Nov
(MON)
Cloudy
Mainly cloudy with one or two rain patches. Relatively low visibility in some areas at night.
Cool
Slightly cooler with relatively low visibility and one or two light rain patches in the morning. Bright periods during the day.
Cloudy
Mainly cloudy. One or two light rain patches in the morning and at night.
Light Rain
Mainly cloudy with a few rain patches. Temper-atures falling at night.
Cool
Cooler. A few rain patches at first. Bright periods during the day.
SUNNY PERIODS
Sunny periods. Dry during the day. Cooler in the morning and at night.
SUNNY PERIODS
Sunny periods. Dry during the day.
Sunny Intervals with Showers
Sunny intervals. One or two rain patches later.
Light Rain
Mainly cloudy with a few rain patches.

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 to 5.
North to northeast force 4, occasionally force 5.
East force 4, becoming north force 4 to 5 later.
North to northeast force 4 to 5.
Northeast force 4, occasionally force 5 offshore.
North to northeast force 4.
East to northeast force 4, occasionally force 5 offshore.
East to northeast force 4 to 5.
18 Nov
(SUN)
19 Nov
(MON)
20 Nov
(TUE)
21 Nov
(WED)
22 Nov
(THU)
23 Nov
(FRI)
24 Nov
(SAT)
25 Nov
(SUN)
26 Nov
(MON)

Updated at: 09:50 HKT 18 Nov 2018


(Next update at: 11:30 HKT 18 Nov 2018)

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region
Climatological information for 18 Nov - 26 Nov

Sea surface temperature
7 a.m. on 18 Nov 2018 at North Point :
25 °C
Soil temperatures
7 a.m. on 18 Nov 2018 at the Hong Kong Observatory:
0.5m depth:25.9°C
1.0m depth:27.0°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.