Bulletin updated at 11:30 HKT 17/Sep/2025
7-Day Weather Forecast General Situation: Date/Month 18/9 (Thursday) Wind: East to northeast force 3 to 4. Weather: Sunny periods and one or two showers. Very hot during the day. Isolated thunderstorms later. Temp Range: 28 - 33 C R.H. Range: 60 - 90 Per Cent Date/Month 19/9(Friday) Wind: North to northwest force 4, force 5 later, occasionally force 6 offshore and on high ground. Weather: Mainly cloudy with a few showers and thunderstorms. Sunny intervals at first. Showers will increase gradually. Temp Range: 27 - 32 C R.H. Range: 65 - 95 Per Cent Date/Month 20/9(Saturday) Wind: West to southwest force 5, occasionally force 6. Weather: Mainly cloudy with occasional squally showers and thunderstorms. Showers will be heavier at times. There will be swells. Temp Range: 26 - 31 C R.H. Range: 70 - 95 Per Cent Date/Month 21/9(Sunday) Wind: South to southeast force 4 to 5, occasionally force 6 offshore and on high ground at first. Weather: Mainly cloudy with occasional showers and squally thunderstorms. Showers will be heavier at times at first. There will be swells. Temp Range: 26 - 31 C R.H. Range: 70 - 95 Per Cent Date/Month 22/9(Monday) Wind: East to northeast force 3 to 4. Weather: Sunny periods and a few showers. Very hot during the day. Temp Range: 27 - 34 C R.H. Range: 60 - 90 Per Cent Date/Month 23/9(Tuesday) Wind: North force 4 to 5, occasionally force 6 offshore and on high ground later. Weather: Sunny periods and one or two showers. Very hot during the day. More showers with squally thunderstorms later. There will be swells. Temp Range: 27 - 33 C R.H. Range: 65 - 95 Per Cent Date/Month 24/9(Wednesday) Wind: East to northeast force 6, up to force 8 offshore and on high ground. Weather: Cloudy to overcast with squally showers and thunderstorms. Showers will be heavy at times. Seas will be rough with swells. Temp Range: 26 - 30 C R.H. Range: 80 - 95 Per Cent Sea surface temperature at 7 a.m.17/9/2025 at North Point was 28 degrees C. Soil temperatures at 7 a.m.17/9/2025 at the Hong Kong Observatory: 0.5 M below surface was 30.7 degrees C. 1.0 M below surface was 30.4 degrees C. Weather Cartoons for 7-day weather forecast Day 1 cartoon no. 53 - Sunny Periods with A Few Showers Day 2 cartoon no. 54 - Sunny Intervals with Showers Day 3 cartoon no. 63 - Rain Day 4 cartoon no. 63 - Rain Day 5 cartoon no. 90 - Hot Day 6 cartoon no. 53 - Sunny Periods with A Few Showers Day 7 cartoon no. 64 - Heavy Rain
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