Bulletin updated at 16:30 HKT 18/May/2025
9-Day Weather Forecast General Situation: A southerly airstream will affect the coast of Guangdong in the next few days. Upper-air disturbances are expected to bring showers and thunderstorms to Guangdong midweek this week. With upper-air disturbances departing, the weather will be very hot over the region towards the weekend. A trough of low pressure will form over central China in the latter part of this week. It will edge closer to the coast of southern China and bring showers to the region over the weekend. Date/Month 19/5 (Monday) Wind: South force 2 to 3. Weather: Mainly cloudy with one or two showers. Hot with sunny intervals during the day. Temp Range: 27 - 32 C R.H. Range: 65 - 95 Per Cent PSR: Low Date/Month 20/5(Tuesday) Wind: South force 3. Weather: Mainly cloudy with a few showers. Hot with sunny intervals during the day. Isolated thunderstorms later. Temp Range: 27 - 32 C R.H. Range: 65 - 95 Per Cent PSR: Medium Low Date/Month 21/5(Wednesday) Wind: South force 3. Weather: Sunny intervals and a few showers. Isolated thunderstorms at first. Hot during the day. Temp Range: 27 - 32 C R.H. Range: 65 - 95 Per Cent PSR: Medium Low Date/Month 22/5(Thursday) Wind: South force 3. Weather: Sunny periods and isolated showers. Very hot during the day. Temp Range: 28 - 33 C R.H. Range: 65 - 95 Per Cent PSR: Low Date/Month 23/5(Friday) Wind: South force 3 to 4. Weather: Sunny periods and one or two showers. Hot during the day. Temp Range: 27 - 32 C R.H. Range: 65 - 95 Per Cent PSR: Low Date/Month 24/5(Saturday) Wind: South force 2 to 3, becoming northeast force 3 later. Weather: Sunny intervals and a few showers. Hot during the day. Temp Range: 26 - 32 C R.H. Range: 65 - 95 Per Cent PSR: Medium Low Date/Month 25/5(Sunday) Wind: Northeast force 3 to 4. Weather: Mainly cloudy with a few showers and isolated thunderstorms. Temp Range: 25 - 29 C R.H. Range: 70 - 95 Per Cent PSR: Medium Date/Month 26/5(Monday) Wind: East to northeast force 4. Weather: Mainly cloudy with a few showers and isolated thunderstorms. Temp Range: 25 - 29 C R.H. Range: 75 - 95 Per Cent PSR: Medium Low Date/Month 27/5(Tuesday) Wind: East force 4. Weather: Mainly cloudy with a few showers. Bright periods during the day. Temp Range: 26 - 30 C R.H. Range: 75 - 95 Per Cent PSR: Medium Low Sea surface temperature at 2 p.m.18/5/2025 at North Point was 26 degrees C. Soil temperatures at 7 a.m.18/5/2025 at the Hong Kong Observatory: 0.5 M below surface was 28.0 degrees C. 1.0 M below surface was 27.0 degrees C. Weather Cartoons for 9-day weather forecast Day 1 cartoon no. 54 - Sunny Intervals with Showers Day 2 cartoon no. 54 - Sunny Intervals with Showers Day 3 cartoon no. 54 - Sunny Intervals with Showers Day 4 cartoon no. 90 - Hot Day 5 cartoon no. 53 - Sunny Periods with A Few Showers Day 6 cartoon no. 54 - Sunny Intervals with Showers Day 7 cartoon no. 62 - Light Rain Day 8 cartoon no. 62 - Light Rain Day 9 cartoon no. 54 - Sunny Intervals with Showers
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