Bulletin updated at 07:50 HKT 17/Dec/2025
9-Day Weather Forecast General Situation: The northeast monsoon will continue to affect southern China in the next couple of days. The weather will be generally fine over the region today. The temperature difference between day and night will be relatively large. A broad band of clouds will bring a few rain patches to the coast of Guangdong and the northern part of the South China Sea in the latter part of this week. With the band of clouds thinning out, the weather will improve and it will be warm during the day over the region during the weekend. Replenishments of the northeast monsoon are expected to bring dry and slightly cooler weather to Guangdong early to midweek next week. Date/Month 17/12 (Wednesday) Wind: Northeast force 3. Weather: Fine. Dry and warm during the day. Temp Range: 18 - 25 C R.H. Range: 45 - 85 Per Cent Date/Month 18/12(Thursday) Wind: East to northeast force 4 to 5. Weather: Mainly fine. Becoming cloudy with a few rain patches later. Temp Range: 19 - 23 C R.H. Range: 60 - 90 Per Cent Date/Month 19/12(Friday) Wind: East to northeast force 4, occasionally force 5 at first, up to force 6 on high ground. Weather: Mainly cloudy with a few rain patches. Temp Range: 19 - 22 C R.H. Range: 75 - 95 Per Cent Date/Month 20/12(Saturday) Wind: Northeast force 3 to 4. Weather: Mainly cloudy. Warm with sunny periods during the day. Temp Range: 20 - 25 C R.H. Range: 65 - 85 Per Cent Date/Month 21/12(Sunday) Wind: Northeast force 3 to 4. Weather: Sunny periods. Warm during the day. Temp Range: 20 - 25 C R.H. Range: 60 - 85 Per Cent Date/Month 22/12(Monday) Wind: East to northeast force 4, occasionally force 5. Weather: Sunny periods. Dry during the day. Temp Range: 18 - 22 C R.H. Range: 55 - 75 Per Cent Date/Month 23/12(Tuesday) Wind: East to northeast force 4, occasionally force 5 at first. Weather: Mainly cloudy. Dry with sunny periods during the day. Temp Range: 19 - 23 C R.H. Range: 55 - 75 Per Cent Date/Month 24/12(Wednesday) Wind: Northeast force 4 . Weather: Sunny periods. Dry during the day. Temp Range: 19 - 24 C R.H. Range: 55 - 75 Per Cent Date/Month 25/12(Thursday) Wind: Northeast force 4, occasionally force 5. Weather: Sunny intervals. Cool in the morning. Dry during the day. Temp Range: 17 - 21 C R.H. Range: 55 - 75 Per Cent Sea surface temperature at 7 a.m.17/12/2025 at North Point was 21 degrees C. Soil temperatures at 7 a.m.17/12/2025 at the Hong Kong Observatory: 0.5 M below surface was 22.8 degrees C. 1.0 M below surface was 24.6 degrees C. Weather Cartoons for 9-day weather forecast Day 1 cartoon no. 50 - SUNNY Day 2 cartoon no. 51 - SUNNY PERIODS Day 3 cartoon no. 62 - Light Rain 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. 52 - SUNNY INTERVALS
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