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Hong Kong Observatory

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Hong Kong Observatory
天文台
The latest news, analysis and opinion on Hong Kong Observatory. In-depth analysis, industry insights and expert opinion.
The Observatory cancelled the amber rainstorm signal at 4.10pm. Photo: Robert Ng
Hong Kong weather

Hong Kong Observatory cancels amber rainstorm warning, says ‘low’ chance of T3

Forecaster says Tropical Storm Maysak estimated to be about 660km southwest of Hong Kong.

Hong Kong weather

T1 to stay in force until Friday noon as tropical depression approaches Hong Kong

Hong Kong weather

Hong Kong to issue No 1 typhoon signal on Thursday as tropical depression nears

Hong Kong weather

Record heat expected in Hong Kong this year as ‘super’ El Nino threatens

Pacific sea surface temperatures expected to rise further, developing into ‘super strong’ El Nino that could also lead to more intense tropical typhoons.

Visitors under the scorching sun at the Tsim Sha Tsui waterfront on Tuesday. Photo: Jelly Tse
Hong Kong weather

Hong Kong Observatory cancels amber rainstorm warning on Sunday afternoon

Forecaster issued the rainstorm warning at 11.10am and took it down at 2.35pm.

Hong Kong weather

Sunny spells for Dragon Boat Festival, day after 2 black rainstorm warnings

Hong Kong Observatory says hot weather likely to continue over weekend, as hikers warned to be mindful of conditions.

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Artificial intelligence

Chinese AI improves forecasts as Hong Kong braces for super typhoons

A new model deployed at Hong Kong Observatory and National Meteorological Centre uses machine learning algorithms to boost forecast accuracy.

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A man sits on a bench on the Tseung Kwan O Promenade as Super Typhoon Ragasa approaches Hong Kong in September last year. Photo: Elson Li
Hong Kong weather

Video | Flooding as Hong Kong hit with Black Rain storm

At least 13 locations across the New Territories reported floods.

Hong Kong weather

Video | Hong Kong’s colour-coded rain warning system

The city’s weather forecaster established a 3 tier colour-coded warning system in 1998 to categorise the severity of heavy rain conditions.

Hong Kong weather

Hong Kong cancels amber rainstorm warning but more downpours expected

Unsettled weather expected to continue over the next few days.

Residents cross a street under the rain in Tai Wai. Photo: Sam Tsang
Hong Kong weather

Hong Kong to face showers, unstable weather ahead of sunny Dragon Boat Festival

Observatory warns of downpours and ‘unsettled’ weather in the coming days, before clearing up for the holiday.

Tourists brave stormy weather at the Tsim Sha Tsui waterfront. Photo: Jelly Tse
Hong Kong society

Should Hong Kong close swimming pools during thunderstorms?

Nick Wu, vice-chairman of Hong Kong and Kowloon Life Guards’ Union, says existing guidelines do not require public pools to close during thunderstorms.

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Hong Kong weather

Hong Kong cancels amber rainstorm warning for second time

Observatory earlier warned of flash flood risk, with wet weather expected to continue into Monday.

Hong Kong weather

Hong Kong cancels all rainstorm warnings after issuing first black alert of 2026

Observatory issued the first black rainstorm warning of the year for an hour.

Sha Tin was battered by heavy rain in the evening. Photo: Sam Tsang
Hong Kong weather

Heavy showers, squally thunderstorms forecast for Hong Kong until Tuesday

Around 30mm of rainfall was recorded in many parts of the New Territories, while more than 50mm fell in Sai Kung.

Hong Kong continues to face a rainy weekend. Photo: Dickson Lee
Hong Kong weather

Hong Kong cancels all rainstorm warnings but showers, thunderstorms to persist

Heavy showers and squally thunderstorms are expected until midweek, while high temperatures will ease, Observatory says.

Hong Kong weather

Hong Kong issues amber rainstorm warning after intense heatwave grips city

Parts of New Territories record maximum temperature of 36.7 degrees by mid-afternoon on Friday, the hottest for 2026 so far.

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Hong Kong weather

Hong Kong braces for Friday scorcher as mercury climbs to 33.7 degrees

Heatwave expected to peak on Friday, triggering ‘extremely hot’ daytime forecast with temperatures of 36 to 37 degrees in New Territories.

People beat the heat with ice cream bars in Central. Photo: Karma Lo
Hong Kong weather

Hong Kong issues year’s first ‘very hot weather’ warning

Weather forecaster says temperatures are expected to hover around 33 degrees until Friday before easing slightly over the weekend.

Hong Kong weather

‘Soaking wet’: Hong Kong parents furious after last-minute rain warning change

‘I kept an eye on the weather all night, only for them to switch to an amber rainstorm warning at the last minute – you’ve got to be kidding me,’ one parent says.

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Hong Kong society

Hong Kong records 10 tremor reports after magnitude 5.2 quake hits Guangxi

Earthquake struck Liuzhou, with at least four people hospitalised and three reported missing as of 4am, according to mainland Chinese media.

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Rescue workers walk past a damaged building following an earthquake in Guangxi. Photo: CNS
Hong Kong weather

Hong Kong records hottest day of year so far as temperatures top 31.6 degrees

Much of the city on Tuesday saw temperatures rise above 31 degrees Celsius, with some parts of New Territories exceeding 33 degrees.

Hong Kong recorded its second-hottest April on record this year with a mean maximum temperature of 27.9 degrees. Photo: Edmond So
Hong Kong weather

Hong Kong set for cloudy skies, showers and thunderstorms in coming days

Observatory says showers to ease off over coast of southern China midweek this week when upper-air disturbances depart.

Hong Kong weather

Hong Kong set for thunderstorms on Sunday as cold front approaches city

‘Showers will increase with squally thunderstorms later [on Sunday], and will be heavier in some areas,’ Observatory says.

Hong Kong environmental issues

Watchdog urges Hong Kong Observatory to better explain typhoon warning decisions

Audit Commission says timetable on review of rainstorm warning system should also be set up, amid rise in extreme weather events.

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Extreme weather events such as Super Typhoon Ragasa, which struck Hong Kong last September, are becoming more common. Photo: Karma Lo
Hong Kong weather

Amber rainstorm warning issued as thunderstorms hit Hong Kong

Forecaster earlier warned that flooding could occur in some low-lying and poorly drained areas.

Hong Kong’s weather forecaster issued an amber rainstorm warning on Wednesday. Photo: Jelly Tse
Hong Kong weather

Hong Kong set for intense thundery showers, gusts in the evening

Observatory advises any residents outside to seek safe shelter as soon as possible, as ‘intense gusts’ could affect city.

Hong Kong weather

Hong Kong braces for 9-degree temperature drop, thunderstorms later this week

Trough of low pressure over northern part of southern China set to develop into cold front on Wednesday, crossing coastal areas by next day.

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