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Warning(s) in Force [Details] [Def]

Weather Details around Hong Kong [Details] [HKO link]

Regional Weather of Hong Kong

Tropical Cyclone Information [Details] [HKO link]

Astronomical / Tidal Information [Details] [HKO link]

Info for 22/04/2018 (Sunday):
Astro. Info
Sunrise:05:5803:191.4 m
Sunset:18:4606:241.3 m
Moonrise:11:2313:462.1 m
Moonset:00:0421:220.6 m

Planetary phenomena in the coming week:
Apr 23, 01:49 HKT: Lyrid Shower: ZHR = 20
Apr 23, 05:46 HKT: First Quarter
Apr 23, 20:19 HKT: Moon Ascending Node
(Source: NASA)

Weather at a Glance [Details] [HKO link]

Weather at a Glance Data as of 08:20 on 22/4/2018

24.6 C 87 % 1012.8 hPa
All measurements taken at Hong Kong Observatory
HKO Temp.:24.6 C
RH.: 87 %
Apparent Temp.:24.6 C
Dew Point:22.3 C
Temp. of today:24.7 / 23.7 C (Range 1.0 C)
Mean SLP.:1012.8 hPa
King's Park Wind:12 km/h (E)
UV:0.5 (Low)
Rain:0.0 mm (past 15 min)

Upper-Level Weather Information [Details]

Data as of 20:00 HKT on 21/4/2018 - Level of instability:

Delta P Values

At 2018/04/22 05 HKT: [Explanation] [Values for the past 10 days]

Delta p(972) = -3.1
Delta p(S) = -0.5

3-day Weather Forecast [Click for 9-day] [HKO link]

3-day Weather Forecast Data as of 05:50 HKT 22/Apr/2018

General Situation: A southerly airstream will bring hot weather to the coastal areas of Guangdong today and tomorrow. Under the influence of a trough of low pressure, there will be showers and thunderstorms over Guangdong early to midweek this week. The weather is expected to improve over the coastal areas in the latter part of this week.

22/4 (Sun)

Mainly cloudy. Coastal mist in the morning. Hot with sunny periods during the day.

Coastal mist in the morning. Hot with sunny periods during the day. One or two showers at night.

Cloudy with showers and a few squally thunderstorms.
Wind SE force 2 to 3. S force 2 to 3. Light winds force 2, becoming N force 4 later.
24 - 30 °C
24 - 30 °C
22 - 26 °C
65 - 95 %
65 - 95 %
75 - 95 %

Weather Conditions in South China Sea [Details] [HKO link]

Real-time Weather Photos [Details] [HKO link]

The following photo shows the real-time view of Victoria Harbour (active from 5am to 9pm), as viewed from Central towards the east.

Real-time photo at Central

Satellite / Radar Images [Details]

Radar: 256 km range

Radar: 128 km range

Radar: 64 km range

Satellite: IR imagery*

* The Satellite imagery above is taken by Himawari-8 operated by the Japan Meteorological Agency (JMA).

Aviation Weather Observation Report [HKO link]

HK International Airport METAR report Data as of 08:30 HKT on 22 Apr 18

Original code: METAR VHHH 220030Z 10011KT 9999 FEW014 SCT035 26/22 Q1012 NOSIG=

Wind Visibility Weather Cloud Amount Cloud Base Temperature Dew Point Pressure (QNH)
11 knots from 100 degrees (E)
10 km or above
No significant weather
1 to 2 oktas
3 to 4 oktas
1400 feet
3500 feet
26 oC
22 oC
1012 hPa

Next Two Hours Change
No Significant Change

Meteorological Calculation

A. Conversion between units


B. Calculation of distance between places on Earth

Place 1:     Lat :   Long :
Place 2:     Lat :   Long :

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All weather information of Hong Kong contained in this site is given by the Hong Kong Observatory. Permission has been granted by the Observatory for the reproduction of weather information in this site.

Last Modified: Thu, Jan 04 2018