Current Weather

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

Bulletin issued at 15:02 HKT 21/Apr/2018

At 3 p.m. at the Hong Kong Observatory the air temperature was 26 degrees Celsius and the relative humidity 77 per cent.
During the past hour the mean UV Index recorded at King's Park was 4. The intensity of UV radiation was moderate.

The air temperatures at other places were:

King's Park 26 degrees;
Wong Chuk Hang 26 degrees;
Ta Kwu Ling 28 degrees;
Lau Fau Shan 28 degrees;
Tai Po 25 degrees;
Sha Tin 26 degrees;
Tuen Mun 27 degrees;
Tseung Kwan O 24 degrees;
Sai Kung 25 degrees;
Cheung Chau 26 degrees;
Chek Lap Kok 28 degrees;
Tsing Yi 28 degrees;
Shek Kong 29 degrees;
Tsuen Wan Ho Koon 25 degrees;
Tsuen Wan Shing Mun Valley 26 degrees;
Hong Kong Park 26 degrees;
Shau Kei Wan 24 degrees;
Kowloon City 26 degrees;
Happy Valley 26 degrees;
Wong Tai Sin 25 degrees;
Stanley 25 degrees;
Kwun Tong 25 degrees;
Sham Shui Po 27 degrees;
Kai Tak Runway Park 25 degrees;
Yuen Long Park 29 degrees;
Tai Mei Tuk 25 degrees.

Note:

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

Climatological Information for 21 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 14:45 HKT 21/Apr/2018

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

The band of clouds covering the coastal areas of Guangdong is thinning out gradually.

Weather forecast for this afternoon and tonight

Sunny periods in the afternoon. Mainly cloudy tonight. Moderate east to southeasterly winds.

Outlook : Hot with sunny periods in the next couple of days. Thundery showers on Tuesday.

(The above forecast period is valid up to 23:59 HKT today, 21/04/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Marine Forecast

South China Coastal Waters

Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
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 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  110/10-15
       OFFSHORE:  110/15-20                            29-25
   B.   2000 FT:  150/20-25                            21
   C.   5000 FT:  190/10                               17
   D.  10000 FT:  220/20                               9
   E.  18000 FT:  250/30                               MS7
   F.  24000 FT:  270/30                               MS18
   G.  30000 FT:  290/50                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      SUNNY PERIODS IN THE AFTERNOON.  MAINLY CLOUDY
      TONIGHT.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT  SCT 4000 FT.
   K. VISIBILITY    : 9 KM.
   L. 0 DEG. C LEVEL: 14000 FT      10 DEG. C LEVEL(S) : 9800 FT
   M. TURBULENCE    : MOD TO SEV.
   N. SEA STATE     : 2.0 M         SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTHEASTERLY WINDS.  MAINLY CLOUDY.
     LOCALIZED MIST LATER.=

===================================================================
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