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9-day Weather Forecast

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General Situation:

The easterly airstream now affecting the coast of Guangdong will be replaced by a southerly airstream in the next couple of days. It will be generally fine and hot over the region during the weekend. Under the influence of a trough of low pressure, there will be showers and thunderstorms over Guangdong early to midweek next week.

20 Apr
(FRI)
21 Apr
(SAT)
22 Apr
(SUN)
23 Apr
(MON)
24 Apr
(TUE)
25 Apr
(WED)
26 Apr
(THU)
27 Apr
(FRI)
28 Apr
(SAT)
Sunny Intervals with Showers
Mainly cloudy with one or two showers. Bright periods during the day.
Sunny Periods with A Few Showers
Mainly cloudy. One or two showers at first. Sunny periods in the afternoon.
SUNNY PERIODS
Mainly fine. Hot during the day.
SUNNY PERIODS
Mainly fine. Coastal mist in the morning. Hot during the day.
Rain
Mainly cloudy with showers and a few squally thunder-storms. Visibility relatively low.
Light Rain
Mainly cloudy. A few showers at first.
SUNNY INTERVALS
Sunny intervals.
SUNNY PERIODS
Sunny periods.
SUNNY PERIODS
Sunny periods.

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.
Southeast force 3 to 4.
South to southeast force 2 to 3.
Light winds force 2, becoming north force 4 later.
Northeast force 4.
East force 4.
East force 3.
East force 3.
20 Apr
(FRI)
21 Apr
(SAT)
22 Apr
(SUN)
23 Apr
(MON)
24 Apr
(TUE)
25 Apr
(WED)
26 Apr
(THU)
27 Apr
(FRI)
28 Apr
(SAT)

Updated at: 00:00 HKT 20 Apr 2018


(Next update at: 11:30 HKT 20 Apr 2018)

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

Sea surface temperature
2 p.m. on 19 Apr 2018 at North Point :
23 °C
Soil temperatures
7 a.m. on 19 Apr 2018 at the Hong Kong Observatory:
0.5m depth:24.0°C
1.0m depth:24.5°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.