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9-day Weather Forecast

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General Situation:

A relatively mild and humid easterly airstream will affect the coastal areas of Guangdong tomorrow. A cool northeast monsoon is expected to reach the south China coast on Wednesday. The weather will remain cool over the region in the latter part of this week.

20 Feb
(TUE)
21 Feb
(WED)
22 Feb
(THU)
23 Feb
(FRI)
24 Feb
(SAT)
25 Feb
(SUN)
26 Feb
(MON)
27 Feb
(TUE)
28 Feb
(WED)
SUNNY INTERVALS
Mainly cloudy. Sunny intervals during the day. Misty in the morning and at night.
Light Rain
Cloudy with fog patches. There will also be one or two rain patches.
Cool
Cloudy with a few rain patches. It will be cool.
SUNNY INTERVALS
Cool with bright periods.
SUNNY PERIODS
Sunny periods. Cool in the morning. Misty at night.
SUNNY PERIODS
Sunny periods. Misty in the morning and at night.
SUNNY INTERVALS
Bright periods. Cool in the morning.
Cloudy
Mainly cloudy with one or two light rain patches. Cool in the morning.
SUNNY INTERVALS
Misty with sunny intervals.

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 force 4 to 5, becoming north force 4 to 5 later.
East to northeast force 4 to 5.
East force 3 to 4, occasionally force 5 at first.
East force 4, occasionally force 5.
20 Feb
(TUE)
21 Feb
(WED)
22 Feb
(THU)
23 Feb
(FRI)
24 Feb
(SAT)
25 Feb
(SUN)
26 Feb
(MON)
27 Feb
(TUE)
28 Feb
(WED)

Updated at: 11:30 HKT 19 Feb 2018


(Next update at: 16:30 HKT 19 Feb 2018)

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region
Climatological information for 20 Feb - 28 Feb

Sea surface temperature
7 a.m. on 19 Feb 2018 at North Point :
17 °C
Soil temperatures
7 a.m. on 19 Feb 2018 at the Hong Kong Observatory:
0.5m depth:19.9°C
1.0m depth:20.6°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.