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9-day Weather Forecast

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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