Hong Kong Observatory Logo

9-day Weather Forecast

Bulletin updated at 16:30 HKT 15/May/2026

9-Day Weather Forecast

General Situation:
A trough of low pressure will linger over the northern part
of the South China Sea in the next couple of days.
Meanwhile, a fresh to strong easterly airstream will affect
the coast of Guangdong. The easterly airstream is expected
to be replaced by a southerly airstream gradually early next
week. There will still be showers over the region. With an
anticyclone aloft strengthening, the weather will improve
and it will be persistently hot over southern China in the
middle and latter parts of next week.

Date/Month 16/5 (Saturday)
Wind: East to southeast force 4 to 5, occasionally force 6
offshore.
Weather: Cloudy with occasional showers and thunderstorms.
Showers will be heavy in some areas at first.
Temp Range: 24 - 27 C
R.H. Range: 80 - 95 Per Cent
PSR: High

Date/Month 17/5(Sunday)
Wind: East to southeast force 4 to 5, occasionally force 6
on high ground.
Weather: Cloudy with a few showers and isolated
thunderstorms. Showers will be more frequent at first.
Temp Range: 24 - 27 C
R.H. Range: 80 - 95 Per Cent
PSR: Medium High

Date/Month 18/5(Monday)
Wind: Southeast force 4, force 5 on high ground.
Weather: Mainly cloudy with a few showers.
Temp Range: 25 - 29 C
R.H. Range: 75 - 95 Per Cent
PSR: Medium Low

Date/Month 19/5(Tuesday)
Wind: South to southeast force 3.
Weather: Mainly cloudy with a few showers. Sunny intervals
in the afternoon.
Temp Range: 26 - 31 C
R.H. Range: 75 - 95 Per Cent
PSR: Medium Low

Date/Month 20/5(Wednesday)
Wind: South force 3.
Weather: Mainly cloudy with sunny intervals and one or two
showers.
Temp Range: 26 - 31 C
R.H. Range: 70 - 95 Per Cent
PSR: Low

Date/Month 21/5(Thursday)
Wind: South force 3.
Weather: Mainly cloudy. Sunny periods during the day.
Isolated showers at first.
Temp Range: 26 - 31 C
R.H. Range: 65 - 90 Per Cent
PSR: Low

Date/Month 22/5(Friday)
Wind: South force 3.
Weather: Sunny periods. Hot during the day.
Temp Range: 27 - 32 C
R.H. Range: 65 - 85 Per Cent
PSR: Low

Date/Month 23/5(Saturday)
Wind: South to southwest force 3 to 4.
Weather: Sunny periods. Hot during the day.
Temp Range: 27 - 32 C
R.H. Range: 65 - 85 Per Cent
PSR: Low

Date/Month 24/5(Sunday)
Wind: South to southwest force 3 to 4.
Weather: Sunny periods. Hot during the day.
Temp Range: 27 - 32 C
R.H. Range: 65 - 85 Per Cent
PSR: Low

Sea surface temperature at 2 p.m.15/5/2026 at North Point
was 26 degrees C.

Soil temperatures at 7 a.m.15/5/2026 at the Hong Kong
Observatory:
0.5 M below surface was 27.2 degrees C.
1.0 M below surface was 26.7 degrees C.

Weather Cartoons for 9-day weather forecast
Day 1 cartoon no. 63 - Rain
Day 2 cartoon no. 62 - Light Rain
Day 3 cartoon no. 62 - Light Rain
Day 4 cartoon no. 54 - Sunny Intervals with Showers
Day 5 cartoon no. 54 - Sunny Intervals with Showers
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. 51 - SUNNY PERIODS

| Copyright and Disclaimer | Home | Chinese Version / 中文版本 | 9-day Weather Forecast RSS |