Bulletin updated at 20:40 HKT 20/May/2026
9-Day Weather Forecast General Situation: Under the influence of upper-air disturbances, the weather will still be unsettled with showers and thunderstorms over southern China tomorrow. With the upper-air disturbances departing from the coastal areas, showers will ease off and the weather will improve on Friday. An anticyclone aloft is expected to cover the coast of southern China over the weekend to midweek next week, and bring generally fine and persistently hot weather to the region. Date/Month 21/5 (Thursday) Wind: South force 3 to 4. Weather: Mainly cloudy with occasional showers and a few squally thunderstorms. Showers will be heavy at times at first. Temp Range: 26 - 30 C R.H. Range: 75 - 95 Per Cent PSR: High Date/Month 22/5(Friday) Wind: South force 3 to 4. Weather: Mainly cloudy. A few showers in the morning. Sunny periods in the afternoon. Temp Range: 26 - 31 C R.H. Range: 70 - 95 Per Cent PSR: Medium Low Date/Month 23/5(Saturday) Wind: South to southwest force 4. Weather: Sunny periods. Isolated showers in the morning. Hot during the day. Temp Range: 27 - 32 C R.H. Range: 70 - 90 Per Cent PSR: Low Date/Month 24/5(Sunday) Wind: South to southwest force 4. Weather: Sunny periods. Isolated showers in the morning. Hot during the day. Temp Range: 27 - 32 C R.H. Range: 70 - 90 Per Cent PSR: Low Date/Month 25/5(Monday) Wind: South to southwest force 4. Weather: Hot with sunny periods. Temp Range: 28 - 32 C R.H. Range: 65 - 90 Per Cent PSR: Low Date/Month 26/5(Tuesday) Wind: South to southwest force 4. Weather: Hot with sunny periods. Temp Range: 28 - 32 C R.H. Range: 65 - 90 Per Cent PSR: Low Date/Month 27/5(Wednesday) Wind: South to southwest force 3 to 4. Weather: Mainly fine and hot. Temp Range: 28 - 32 C R.H. Range: 65 - 90 Per Cent PSR: Low Date/Month 28/5(Thursday) Wind: South force 3. Weather: Sunny periods and isolated showers. Hot during the day. Temp Range: 27 - 32 C R.H. Range: 70 - 90 Per Cent PSR: Low Date/Month 29/5(Friday) Wind: South to southeast force 3. Weather: Sunny intervals and a few showers. Temp Range: 27 - 31 C R.H. Range: 75 - 95 Per Cent PSR: Low Sea surface temperature at 2 p.m.20/5/2026 at North Point was 26 degrees C. Soil temperatures at 7 a.m.20/5/2026 at the Hong Kong Observatory: 0.5 M below surface was 26.2 degrees C. 1.0 M below surface was 26.5 degrees C. Weather Cartoons for 9-day weather forecast Day 1 cartoon no. 63 - Rain Day 2 cartoon no. 54 - Sunny Intervals with Showers Day 3 cartoon no. 51 - SUNNY PERIODS Day 4 cartoon no. 51 - SUNNY PERIODS Day 5 cartoon no. 51 - SUNNY PERIODS Day 6 cartoon no. 51 - SUNNY PERIODS Day 7 cartoon no. 51 - SUNNY PERIODS Day 8 cartoon no. 51 - SUNNY PERIODS Day 9 cartoon no. 54 - Sunny Intervals with Showers
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