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 16:02 HKT 26/May/2018

At 4 p.m. at the Hong Kong Observatory the air temperature was 34 degrees Celsius and the relative humidity 61 per cent.
During the past hour the mean UV Index recorded at King's Park was 5. The intensity of UV radiation was moderate.

Please be reminded that:

The Very Hot Weather Warning is now in force. Very hot weather might cause adverse health effects. Members of the public should take care to avoid heatstroke.

The air temperatures at other places were:

King's Park 33 degrees;
Wong Chuk Hang 32 degrees;
Ta Kwu Ling 34 degrees;
Lau Fau Shan 35 degrees;
Tai Po 33 degrees;
Sha Tin 33 degrees;
Tuen Mun 33 degrees;
Tseung Kwan O 33 degrees;
Sai Kung 33 degrees;
Cheung Chau 35 degrees;
Chek Lap Kok 34 degrees;
Tsing Yi 32 degrees;
Shek Kong 33 degrees;
Tsuen Wan Ho Koon 32 degrees;
Tsuen Wan Shing Mun Valley 31 degrees;
Hong Kong Park 31 degrees;
Shau Kei Wan 31 degrees;
Kowloon City 33 degrees;
Happy Valley 33 degrees;
Wong Tai Sin 34 degrees;
Stanley 31 degrees;
Kwun Tong 33 degrees;
Sham Shui Po 32 degrees;
Kai Tak Runway Park 33 degrees;
Yuen Long Park 34 degrees;
Tai Mei Tuk 33 degrees.

Note:

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

Climatological Information for 26 May

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 16:15 HKT 26/May/2018

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

An anticyclone aloft continues to bring mainly fine weather to the coast of southeastern China. Locally, it was very hot in the afternoon. Temperatures over most parts of the territory rose to 34 degrees or above.

Weather forecast for tonight and tomorrow

Mainly fine. Isolated showers tomorrow. The minimum temperature will be about 29 degrees. Very hot during the day with a maximum temperature of about 34 degrees. Moderate southwesterly winds.

Outlook : Very hot weather will persist and there will be isolated showers in the following few days.

(The above forecast period is valid up to 23:59 HKT tomorrow, 27/05/2018; 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 :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHWESTERLY 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:  220/10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  220/15-20                            35-29
   B.   2000 FT:  230/15                               24
   C.   5000 FT:  240/15                               20
   D.  10000 FT:  260/15                               11
   E.  18000 FT:  180/10                               MS2
   F.  24000 FT:  160/10                               MS13
   G.  30000 FT:  140/10                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY FINE APART FROM A FEW SHOWERS AND
      ISOLATED THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 4000 FT. 
      TEMPO FEW CB 800 FT  SCT 1500 FT BKN 4000 FT
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN SHOWERS. 
                      TEMPO 2500 M IN TS.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 10600 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS. 
                      MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 27 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTHWESTERLY WINDS. 
     CLOUDY PERIODS WITH ISOLATED SHOWERS.=

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