Bulletin updated at 16:30 HKT 21/May/2025
9-Day Weather Forecast General Situation: An anticyclone aloft will bring mainly fine weather to the northern part of the South China Sea in the next couple of days. It will be very hot over the coast of Guangdong. A trough of low pressure will edge closer to the coast of southern China on Saturday. There will be a few showers over the region. Under the influence of an easterly airstream, temperatures will fall slightly over the coast of Guangdong early next week. Another trough of low pressure is expected to affect southern China midweek next week. The weather will become unsettled over the region. Date/Month 22/5 (Thursday) Wind: South force 2 to 3. Weather: Sunny periods. Very hot apart from isolated showers during the day. Temp Range: 28 - 33 C R.H. Range: 65 - 90 Per Cent Date/Month 23/5(Friday) Wind: South force 3. Weather: Sunny periods. Very hot during the day. One or two showers later. Temp Range: 28 - 33 C R.H. Range: 65 - 90 Per Cent Date/Month 24/5(Saturday) Wind: South force 3, becoming northeast force 3. Weather: Mainly cloudy with a few showers. Hot with sunny intervals in the afternoon. Temp Range: 26 - 32 C R.H. Range: 65 - 95 Per Cent Date/Month 25/5(Sunday) Wind: East to northeast force 3 to 4. Weather: Mainly cloudy with one or two showers. Sunny intervals during the day. Temp Range: 25 - 30 C R.H. Range: 70 - 95 Per Cent Date/Month 26/5(Monday) Wind: East force 4, occasionally force 5 offshore. Weather: Mainly cloudy with one or two showers. Temp Range: 25 - 29 C R.H. Range: 75 - 95 Per Cent Date/Month 27/5(Tuesday) Wind: East force 4, occasionally force 5 offshore. Weather: Mainly cloudy with one or two showers. Bright periods during the day. Temp Range: 26 - 30 C R.H. Range: 75 - 95 Per Cent Date/Month 28/5(Wednesday) Wind: East to southeast force 4. Weather: Mainly cloudy with occasional showers and a few thunderstorms. Temp Range: 26 - 29 C R.H. Range: 80 - 95 Per Cent Date/Month 29/5(Thursday) Wind: South force 3 to 4. Weather: Cloudy with occasional showers and a few thunderstorms. Temp Range: 26 - 29 C R.H. Range: 80 - 95 Per Cent Date/Month 30/5(Friday) Wind: South force 3 to 4. Weather: Mainly cloudy with a few showers. Temp Range: 26 - 30 C R.H. Range: 75 - 95 Per Cent Sea surface temperature at 2 p.m.21/5/2025 at North Point was 28 degrees C. Soil temperatures at 7 a.m.21/5/2025 at the Hong Kong Observatory: 0.5 M below surface was 28.3 degrees C. 1.0 M below surface was 27.4 degrees C. Weather Cartoons for 9-day weather forecast Day 1 cartoon no. 90 - Hot Day 2 cartoon no. 90 - Hot Day 3 cartoon no. 54 - Sunny Intervals with Showers Day 4 cartoon no. 54 - Sunny Intervals with Showers Day 5 cartoon no. 62 - Light Rain Day 6 cartoon no. 54 - Sunny Intervals with Showers Day 7 cartoon no. 63 - Rain Day 8 cartoon no. 63 - Rain Day 9 cartoon no. 62 - Light Rain
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