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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 12:02 HKT 22/Apr/2018

At noon at the Hong Kong Observatory the air temperature was 27 degrees Celsius and the relative humidity 80 per cent.
During the past hour the mean UV Index recorded at King's Park was 5. The intensity of UV radiation was moderate.

The air temperatures at other places were:

King's Park 26 degrees;
Wong Chuk Hang 28 degrees;
Ta Kwu Ling 28 degrees;
Lau Fau Shan 29 degrees;
Tai Po 25 degrees;
Sha Tin 27 degrees;
Tuen Mun 29 degrees;
Tseung Kwan O 26 degrees;
Sai Kung 27 degrees;
Cheung Chau 29 degrees;
Chek Lap Kok 29 degrees;
Tsing Yi 28 degrees;
Shek Kong 29 degrees;
Tsuen Wan Ho Koon 27 degrees;
Tsuen Wan Shing Mun Valley 28 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 27 degrees;
Happy Valley 28 degrees;
Wong Tai Sin 27 degrees;
Stanley 26 degrees;
Kwun Tong 26 degrees;
Sham Shui Po 27 degrees;
Kai Tak Runway Park 26 degrees;
Yuen Long Park 31 degrees;
Tai Mei Tuk 27 degrees.

A trace of rainfall was recorded at the Hong Kong Observatory between midnight last night and midday today.

Note:

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

Climatological Information for 22 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 11:45 HKT 22/Apr/2018

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

The clouds covering the coast of Guangdong are thinning out gradually.

Weather forecast for this afternoon and tonight

Hot with sunny periods in the afternoon. Mainly cloudy tonight. Light to moderate southeasterly winds.

Outlook : Sunny periods tomorrow. Thundery showers on Tuesday and weather will improve in the latter part of this week.

(The above forecast period is valid up to 23:59 HKT today, 22/04/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

Weather Forecast for Local Aviation

I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHEASTERLY 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:  130/5-10
       OFFSHORE:  110/10-15                            31-27
   B.   2000 FT:  160/15                               21
   C.   5000 FT:  200/15                               14
   D.  10000 FT:  240/20                               9
   E.  18000 FT:  270/25                               MS6
   F.  24000 FT:  290/40                               MS16
   G.  30000 FT:  290/60                               MS25
   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: 15500 FT      10 DEG. C LEVEL(S) : 9800 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE SOUTH TO SOUTHEASTERLY WINDS.
     MAINLY CLOUDY. LOCALISED 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.