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9-day Weather Forecast | UV Index Forecast
Weather Information for South China Coastal Waters

Bulletin issued at 23:02 HKT 27/Apr/2018

At 11 p.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 81 per cent.

The air temperatures at other places were:

King's Park 24 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 24 degrees;
Lau Fau Shan 24 degrees;
Tai Po 24 degrees;
Sha Tin 24 degrees;
Tuen Mun 24 degrees;
Tseung Kwan O 23 degrees;
Sai Kung 23 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 26 degrees;
Tsing Yi 25 degrees;
Shek Kong 25 degrees;
Tsuen Wan Ho Koon 23 degrees;
Tsuen Wan Shing Mun Valley 24 degrees;
Hong Kong Park 24 degrees;
Shau Kei Wan 23 degrees;
Kowloon City 24 degrees;
Happy Valley 24 degrees;
Wong Tai Sin 24 degrees;
Stanley 24 degrees;
Kwun Tong 23 degrees;
Sham Shui Po 25 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 25 degrees;
Tai Mei Tuk 23 degrees.

Note:

The data above is provisional. Only limited data validation has been carried out.

Climatological Information for 27 Apr

Local Weather Forecast

Current Weather | Regional Temperature Forecast in HK |  9-day Weather Forecast
UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 23:15 HKT 27/Apr/2018

Here is the latest weather bulletin issued by the Hong Kong Observatory.

A broad band of clouds covered southern China today. Locally, it was mainly cloudy with isolated showers. There were bright periods in the afternoon. Under the influence of an anticyclone aloft over the northern part of the South China Sea, the weather will gradually improve and become hot over the coast of Guangdong in the next few days.

Weather forecast for Hong Kong (Saturday, 28 Apr 2018)

Mainly cloudy. Visibility relatively low in some areas at first. Sunny intervals during the day. Temperatures will range between 23 and 27 degrees. Moderate easterly winds.

Outlook : Sunny intervals on Sunday. Mainly fine and hot early next week.

(The above forecast period is valid up to 23:59 HKT tomorrow, 28/04/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Marine Forecast

Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN EASTERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  070/5-10
       OFFSHORE:  080/10-15                            27-24
   B.   2000 FT:  100/10-15                            21
   C.   5000 FT:  135/10                               17
   D.  10000 FT:  290/10                               8
   E.  18000 FT:  260/20                               MS6
   F.  24000 FT:  260/25                               MS16
   G.  30000 FT:  250/35                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY.  ISOLATED SHOWERS.  LOCALIZED
      MIST/HAZE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT  SCT 4000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 3000 M IN MIST/HAZE/SHOWERS.
   L. 0 DEG. C LEVEL: 15500 FT      10 DEG. C LEVEL(S) : 9200 FT
   M. TURBULENCE    : MOD OFFSHORE AND  NEAR HILLS
   N. SEA STATE     : 1.0-2.0 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS.  MAINLY CLOUDY.
     LOCALIZED MIST.=

===================================================================
Note: The forecast could be updated before the next issue time 
whenever there is newly expected occurrence or non-occurrence 
of significant weather as described below which may be hazardous 
to aircraft within 100-km radius of Hong Kong:

(a) Change of the tropical cyclone category
(b) Strong, Gale, Storm, and Hurricane force winds
(c) Thunderstorm/CBs
(d) Severe gusts
(e) Severe turbulence
(f) Significant low stratus
(g) Fog or thick haze/sandstorm/duststorm 
    causing significant reduction of visibility
(h) Volcanic ash
(i) Radioactive cloud
===================================================================

Aviation Weather Observation and Forecast Information for Hong Kong International Airport

To know more about clouds, please see Commonly observed clouds in Hong Kong.

Significant Weather Information (SIGMET)

The Airport Meteorological Office is responsible for monitoring hazardous weather and phenomena in the atmosphere that may affect the safety of aircraft operations within a designated airspace over the northern part of the South China Sea. Weather forecasters at the Airport Meteorological Office issues SIGMET information when hazardous weather and phenomena in the atmosphere such as thunderstorms, tropical cyclones, turbulence, icing occur or are expected to occur in the airspace.

Please click here for more about the SIGMET