Summary
Observatory readings at 1:00pm
Thermometer says
Feels like
Calculated from the temperature, relative humidity percentage and wind speed.Humidity
Sunny
31°
34.1°
67%
At TST Observatory
The northeast monsoon is bringing mainly fine weather to the coast of Guangdong.
under 30% chance of rain
Outlook: Mainly fine. Dry and hot in the afternoon. Moderate easterly winds.
Air quality
Moderate risk
Rain in the past hour
Dry - no rain in the last hour
No district recorded meaningful rain.
Wind
Gentle breeze
Li Ka-shing's shieldLocal legend suggests billionaire Li Ka-shing deploys a magical force field to block weekday typhoons so nobody misses work. To ensure economic productivity, typhoons are encouraged to visit the city outside of office hours.
On Standby: No typhoons
Hiking indexOur own rating for the hills right now, combining heat stress, the chance of rain, visibility, sun strength and any lightning recorded in the past hour.
Avoid
Best left for another day - dangerous heat, fierce sun.
Beach indexOur own rating for a beach day, combining government beach water grades, red tide sightings, sun strength, wind, air temperature and the chance of rain.
Fair
Passable - water quality patchy, low oxygen in some waters, burn risk high.
Temperatures
Tap a location for local readings
Today's high
31.6°
Today's low
27°
Sun strength
Very high
Mould riskRisk of mould, damp and dust mites, worked out from humidity, air temperature and recent rainfall.
Low
RecordsBased on 66 years of daily records.
Highest Sep 17 temp: 32.3°C in 2024 - today's high is 0.7° below it. Lowest Sep 17 temp: 21.9°C in 1965.
Hong Kong live
The next nine days
Mainly fine on Friday and over the weekend, dry and hot during the day. Sunny intervals and a few showers in the following couple of days.
Friday
18 Sept
32° / 27°
Fine. Dry and hot during the day.
Rain is unlikely (under 30%) · Noticeable breeze
Saturday
19 Sept
33° / 27°
Fine. Dry and very hot during the day.
Rain is unlikely (under 30%) · Gentle breeze
Sunday
20 Sept
32° / 27°
Sunny periods. Dry and hot during the day. Isolated showers in the morning and at night.
Rain is unlikely (under 30%) · Barely a breath of wind
Monday
21 Sept
31° / 27°
Mainly cloudy with a few showers and isolated thunderstorms. Sunny intervals during the day.
A shower or two possible (about 30-45%) · Barely a breath of wind
Tuesday
22 Sept
31° / 27°
Mainly cloudy with a few showers. Sunny periods during the day.
A shower or two possible (about 30-45%) · Barely a breath of wind
Wednesday
23 Sept
31° / 26°
Sunny periods. Isolated showers at first.
Rain is unlikely (under 30%) · Gentle breeze
Live rain radar
Air quality right now
Moderate risk - city average score 4.9
Fine for most people. Anyone with heart or lung trouble should take it easy outdoors.
Big dots are neighbourhood monitors, small dashed dots sit beside busy roads. Green is clean air, red means people with heart or lung trouble should stay in. Readings from the Environmental Protection Department.
Beach and sea water quality
No red tide reported in Hong Kong waters today.
Oxygen in the sea is low for fish at NM3-Pillar Point, EM2-Tathong Channel.
Green and yellow dots are swimming beaches; small dots show how much oxygen the sea holds for fish (blue is healthy, amber low, red too low). Bright red dots are red tides happening now, faded ones have passed. Beach and sea water readings from the Environmental Protection Department, red tide reports from the Agriculture, Fisheries and Conservation Department.
Tropical cyclones
- Distance:
- 3,778 km to the east
- Closest approach:
- about 2,567 km in 69 hours
- Movement:
- north at 40 km/h, winds 90 km/h
Tap a storm name to centre the map on it. Closest approach and signal likelihood are our own estimates from the forecast track, not Observatory forecasts.
Right now, in detail
How clear the air is
Clear
Clearest view stretches about 20 km.
Air pressure
Normal
High pressure usually means calm weather, low pressure means storms.
Warmest and coolest spots
9.5° difference
Sheung Shui is warmest at 32.8°, Tai Mo Shan coolest at 23.3°.
Astro
Tides around Hong Kong
High 00:24 (2.2 m) · Low 07:06 (1.1 m) · High 14:22 (1.5 m) · Low 17:26 (1.4 m)
High 00:09 (2.3 m) · Low 07:27 (0.9 m) · High 14:30 (1.5 m) · Low 17:46 (1.4 m)
High 00:38 (2.6 m) · Low 08:54 (0.7 m) · High 14:56 (1.6 m) · Low 19:38 (1.2 m)
High 00:21 (2.1 m) · Low 06:59 (1.0 m) · High 14:17 (1.4 m) · Low 17:18 (1.3 m)
High 01:07 (2.3 m) · Low 06:50 (1.0 m) · High 13:49 (1.6 m) · Low 17:33 (1.4 m)
High 00:27 (2.4 m) · Low 07:46 (0.9 m) · High 14:40 (1.5 m) · Low 18:22 (1.4 m)
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