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 18:02 HKT 21/Dec/2017

At 6 p.m. at the Hong Kong Observatory the air temperature was 16 degrees Celsius and the relative humidity 66 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.0. The intensity of UV radiation was low.

Please be reminded that:

The Fire Danger Warning is Red and the fire risk is extreme.

The air temperatures at other places were:

King's Park 15 degrees;
Wong Chuk Hang 16 degrees;
Ta Kwu Ling 15 degrees;
Lau Fau Shan 15 degrees;
Tai Po 16 degrees;
Sha Tin 15 degrees;
Tuen Mun 16 degrees;
Tseung Kwan O 16 degrees;
Sai Kung 16 degrees;
Cheung Chau 15 degrees;
Chek Lap Kok 17 degrees;
Tsing Yi 16 degrees;
Shek Kong 16 degrees;
Tsuen Wan Ho Koon 14 degrees;
Tsuen Wan Shing Mun Valley 15 degrees;
Hong Kong Park 16 degrees;
Shau Kei Wan 15 degrees;
Kowloon City 15 degrees;
Happy Valley 16 degrees;
Wong Tai Sin 16 degrees;
Stanley 16 degrees;
Kwun Tong 15 degrees;
Sham Shui Po 16 degrees;
Kai Tak Runway Park 17 degrees;
Yuen Long Park 16 degrees;
Tai Mei Tuk 15 degrees.

Note:

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

Climatological Information for 21 Dec

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 17:45 HKT 21/Dec/2017

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

The winter monsoon affecting southern China is moderating gradually. Locally, the relative humidity over most parts of the territory stayed below 40 per cent in the afternoon.

At 4 p.m., Tropical Storm Tembin was centred about 1060 kilometres southeast of Manila. It is forecast to move west at about 18 kilometres per hour towards the southern part of the Philippines and intensify gradually.

Weather forecast for tonight and tomorrow

It will be dry. Cloudy periods overnight. Cool tomorrow morning with a minimum temperature of about 15 degrees in the urban areas, and a few degrees lower in the New Territories. Mainly fine during the day with a maximum temperature of about 18 degrees. Moderate to fresh easterly winds, occasionally strong offshore overnight.

Outlook : Temperatures continue to rise on Saturday. Mainly fine and cool in the morning and at night during Christmas Holidays.

(The above forecast period is valid up to 23:59 HKT tomorrow, 22/12/2017; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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 :
     A FRESH TO STRONG EASTERLY AIRSTREAM IS EXPECTED TO AFFECT
     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:  080/10-15
       OFFSHORE:  080/20-25                            18-14
   B.   2000 FT:  080/15-20, OCNL 25                   10
   C.   5000 FT:  120/15                               14
   D.  10000 FT:  220/15                               6
   E.  18000 FT:  280/25                               MS2
   F.  24000 FT:  280/35                               MS15
   G.  30000 FT:  300/45                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3000-5000 FT.
   I. WEATHER       : 
      MAINLY FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT.
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 17000 FT.      
      10 DEG. C LEVEL(S) : 2000, 3400, 7600 FT.
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 18 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, OCCASIONALLY STRONG
     OFFSHORE. MAINLY FINE.=

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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.