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9-day Weather Forecast

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General Situation:

A weak northeast monsoon will affect the coast of Guangdong in the next couple of days. An anticyclone aloft will bring mainly fine weather to Guangdong in the latter part of this week. A replenishment of the northeast monsoon is expected to reach the south China coast over the weekend. The weather over the region will remain fine and dry, and slightly cooler in the morning and at night from Sunday to midweek next week.

23 Oct
(TUE)
24 Oct
(WED)
25 Oct
(THU)
26 Oct
(FRI)
27 Oct
(SAT)
28 Oct
(SUN)
29 Oct
(MON)
30 Oct
(TUE)
31 Oct
(WED)
Cloudy
Mainly cloudy. One or two light rain patches in the morning and at night.
Cloudy
Mainly cloudy. One or two rain patches at first.
SUNNY PERIODS
Sunny periods.
SUNNY PERIODS
Mainly fine apart from relatively low visibility in some areas. One or two light rain patches later.
SUNNY PERIODS
Sunny periods.
SUNNY PERIODS
Mainly fine. Dry during the day.
SUNNY PERIODS
Mainly fine and dry.
Dry
Fine and dry.
Dry
Fine and dry.

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]
Northeast force 3 to 4.
East to northeast force 4.
North to northeast force 4, occasionally force 5 offshore.
East to northeast force 3 to 4.
North to northeast force 4, force 5 offshore later.
North to northeast force 4, force 5 offshore at first.
East to northeast force 4.
23 Oct
(TUE)
24 Oct
(WED)
25 Oct
(THU)
26 Oct
(FRI)
27 Oct
(SAT)
28 Oct
(SUN)
29 Oct
(MON)
30 Oct
(TUE)
31 Oct
(WED)

Updated at: 16:30 HKT 22 Oct 2018


(Next update at: 11:30 HKT 23 Oct 2018)

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region
Climatological information for 23 Oct - 31 Oct

Sea surface temperature
2 p.m. on 22 Oct 2018 at North Point :
27 °C
Soil temperatures
7 a.m. on 22 Oct 2018 at the Hong Kong Observatory:
0.5m depth:27.0°C
1.0m depth:27.8°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.