World → Hong Kong → Hong Kong Island

Weather in Hong Kong Island — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Hong Kong Island

☀️

+31°

Clear

Feels like +34° · humidity 55%

Today 12.9: +31° / +23°

🕐 13:25

Wind

19 km/h

UV index

Air (AQI)

79 · Poor

Precipitation

94%

Humidity

55%

Pressure

1014 hPa

Sunrise / sunset

06:09 / 18:29

Sea temperature

🌊 +28°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

☂️ Take an umbrella💨 Windy🧴 SPF 50Feels warmer by 3°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Hong Kong Island

Today, 12 September, Saturday, in Hong Kong Island (Hong Kong): partly cloudy, hot. During the day the air will warm up to +31°, at night around +23°. Due to high humidity it feels like +34°. UV is extreme (index 8) — better stay in the shade at midday. Wind up to 24 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +28° — great for swimming. The sun will rise at 06:09 and set at 18:29 — daylight lasts 12 hours.

Hourly weather in Hong Kong Island

💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Hong Kong Island for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Today 12.9

⛈️

💧 94%

+23° +31°

Morning

⛈️

+26°

Day

⛈️

+31°

Evening

🌇

+29°

Night

🌙

+23°

Thunderstorm · precipitation 94% · wind up to 24 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 13.9

⛈️

💧 96%

+23° +27°

Morning

🌦️

+25°

Day

⛈️

+27°

Evening

🌇

+25°

Night

🌙

+23°

Thunderstorm · precipitation 96% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 14.9

🌦️

💧 63%

+23° +30°

Morning

🌦️

+26°

Day

🌦️

+30°

Evening

🌇

+28°

Night

🌙

+23°

Drizzle · precipitation 63% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 15.9

🌦️

💧 47%

+23° +30°

Morning

🌦️

+26°

Day

🌦️

+30°

Evening

🌇

+28°

Night

🌙

+23°

Drizzle · precipitation 47% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 16.9

🌦️

💧 14%

+25° +28°

Morning

🌦️

+26°

Day

🌦️

+28°

Evening

🌇

+27°

Night

🌙

+25°

Drizzle · precipitation 14% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 17.9

⛅

💧 16%

+25° +29°

Morning

⛅

+26°

Day

⛅

+29°

Evening

🌇

+28°

Night

🌙

+25°

Partly cloudy · precipitation 16% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 18.9

🌦️

💧 41%

+25° +29°

Morning

🌦️

+26°

Day

🌦️

+29°

Evening

🌇

+28°

Night

🌙

+25°

Drizzle · precipitation 41% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 19.9

🌦️

💧 29%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 29% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 20.9

🌦️

💧 39%

+25° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Drizzle · precipitation 39% · wind up to 9 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 21.9

🌦️

💧 33%

+25° +33°

Morning

🌦️

+28°

Day

🌦️

+33°

Evening

🌇

+31°

Night

🌙

+25°

Drizzle · precipitation 33% · wind up to 8 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Tue 22.9

☀️

💧 32%

+27° +34°

Morning

☀️

+30°

Day

☀️

+34°

Evening

🌇

+32°

Night

🌙

+27°

Clear · precipitation 32% · wind up to 13 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Wed 23.9

🌤️

💧 33%

+25° +33°

Morning

🌤️

+28°

Day

🌤️

+33°

Evening

🌇

+31°

Night

🌙

+25°

Mostly clear · precipitation 33% · wind up to 17 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

▶

Thu 24.9

🌤️

💧 35%

+25° +31°

Morning

🌤️

+27°

Day

🌤️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Mostly clear · precipitation 35% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 25.9

⛅

💧 39%

+26° +30°

Morning

⛅

+27°

Day

⛅

+30°

Evening

🌇

+29°

Night

🌙

+26°

Partly cloudy · precipitation 39% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

15 / 100

for sea and sun · Bad

🏊 Swimming

0 / 100

water 28° · Bad

🏃 Running

0 / 100

comfort for running · Bad

🧴 UV

72%

extreme · high

☂️ Rain

94%

likely · high

✨ Stars

22 / 100

evening visibility · So-so

🧺 Laundry drying

0 / 100

will dry outside · Bad

🚗 Car wash

0 / 100

better to wait · Bad

🌫️ Air quality

Poor air

European AQI

PM2.5: 24PM10: 27O₃: 158NO₂: 15

People with allergies or asthma should reduce time outdoors.

🌅 Sun, moon and sea

Sunrise

06:09

Sunset

18:29

Golden hour

17:59

Daylight

12 h (-1 min vs yesterday)

Sea temperature

+28°

🌊 slight, waves 0.7 m.

Hong Kong Island climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+18°

+13°

Jan

+19°

+14°

Feb

+21°

+17°

Mar

+24°

+20°

Apr

+27°

+23°

May

+28°

+25°

Jun

+29°

+26°

Jul

+29°

+25°

Aug

+28°

+24°

Sep

+26°

+22°

Oct

+23°

+18°

Nov

+19°

+14°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+18°	+13°	+18°	24 mm	A fresh month — +18° daytime, take a jacket for walks. 🙂 a sweater for the evening. Sea at +18° — swimmable, refreshing. This is the coldest month of the year.
February	+19°	+14°	+19°	34 mm	The most pleasant season: +19° by day, comfortable all day long. 🙂 a sweater for the evening. Sea at +19° — swimmable, refreshing.
March	+21°	+17°	+21°	71 mm	One of the best times to visit: +21° by day, fresh nights. It's a rainy month (71 mm) — an umbrella is a must. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing.
April	+24°	+20°	+24°	127 mm	Ideal weather: +24° daytime — neither hot nor cold. Frequent rain (127 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +24° — great for swimming.
May	+27°	+23°	+27°	233 mm	A comfortable month: +27° by day without exhausting heat. One of the wettest months (233 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming.
June	+28°	+25°	+28°	331 mm	Warm and comfortable: +28° by day, +25° at night. It's a rainy month (331 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming. Statistically the wettest month of the year.
July	+29°	+26°	+29°	253 mm	Gentle warmth — about +29° daytime, great walking weather. Frequent rain (253 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +29° — great for swimming. This is the hottest month of the year in Hong Kong Island.
August	+29°	+25°	+28°	326 mm	A comfortable month: +29° by day without exhausting heat. One of the wettest months (326 mm): downpours can derail plans. 😊 light summer clothing. Water at +28° — great for swimming.
September	+28°	+24°	+28°	217 mm	Warm and comfortable: +28° by day, +24° at night. It's a rainy month (217 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming.
October	+26°	+22°	+28°	70 mm	Gentle warmth — about +26° daytime, great walking weather. Frequent rain (70 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +28° — great for swimming. Weather-wise, one of the three best months to visit.
November	+23°	+18°	+25°	35 mm	The most pleasant season: +23° by day, comfortable all day long. 🙂 a sweater for the evening. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
December	+19°	+14°	+21°	29 mm	One of the best times to visit: +19° by day, fresh nights. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing. The shortest daylight of the year — it gets dark early.

When to visit Hong Kong Island

✅ Recommended time to visit

🌟 Best time: October, November, December

Daytime air+19…+26°

Sea temperature+21…+28°

Precipitationoften

Why: comfortable +19…+26° by day, little rain.

⚠️ Doable, with caveats

🌤️ Shoulder season: January, February, March, April, May, September

Daytime air+18…+28°

Sea temperature+18…+28°

Precipitationoften

Why: noticeable rain risk (24–233 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: June, July, August

Daytime air+28…+29°

Sea temperature+28…+29°

Precipitationoften

Why: the rainy season (253–331 mm/month) — downpours almost daily.

Bottom line: the best time to visit Hong Kong Island is October – December, and the most comfortable months are October, November, December. The toughest months to visit are June, July, August: frequent rain.