Hong Kong Weather Forecast 2025-07-18

General Situation

Under the influence of the outer subsiding air of Tropical Cyclone Wipha, the weather will be persistently very hot over Guangdong tomorrow. Thundery showers triggered by high temperatures will also affect the region. With Wipha edging closer to the Pearl River Estuary to the vicinity of the coast of western Guangdong and strengthening gradually, there will be frequent heavy squally showers and thunderstorms over the coast of Guangdong and the northern part of South China Sea later on Saturday to Monday. Seas will be very rough with swells. Under the influence of a broad trough of low pressure, there will still be a few showers over the coast of southern China in the middle and latter parts of next week.

Weather Icon

Saturday, Jul 19

Mainly cloudy with a few showers and squally thunderstorms. Very hot with sunny periods during the day. More showers later. Seas will be rough with swells.

Max Temp: 34°C

Min Temp: 27°C

Humidity: 60-95%

Wind: Light winds force 2, becoming north to northeast force 4 to 5, force 6 later.

Probability of Significant Rain: Medium

Heavy Rain

Sunday, Jul 20

Cloudy to overcast with frequent heavy squally showers and thunderstorms. Seas will be very rough with swells.

Max Temp: 28°C

Min Temp: 26°C

Humidity: 85-95%

Wind: Northeast force 6 to 7, becoming east to southeast force 7 to 8, up to force 10 offshore and on high ground.

Probability of Significant Rain: High

Heavy Rain

Monday, Jul 21

Cloudy with occasional heavy squally showers and thunderstorms. Seas will be rough with swells.

Max Temp: 29°C

Min Temp: 26°C

Humidity: 85-95%

Wind: Southeast force 6 to 7 at first, up to force 8 offshore and on high ground, southeast force 5 to 6 later.

Probability of Significant Rain: High

Rain

Tuesday, Jul 22

Mainly cloudy with occasional showers and squally thunderstorms. Showers will be heavier at times and there will be swells at first.

Max Temp: 30°C

Min Temp: 26°C

Humidity: 80-95%

Wind: South to southeast force 4 to 5, occasionally force 6 offshore and on high ground at first.

Probability of Significant Rain: Medium High

Sunny Intervals with Showers

Wednesday, Jul 23

Mainly cloudy with a few showers and thunderstorms. Sunny intervals during the day.

Max Temp: 32°C

Min Temp: 27°C

Humidity: 75-95%

Wind: East to southeast force 3 to 4.

Probability of Significant Rain: Medium Low

Sunny Intervals with Showers

Thursday, Jul 24

Mainly cloudy with a few showers. Sunny intervals during the day.

Max Temp: 32°C

Min Temp: 27°C

Humidity: 75-95%

Wind: East to southeast force 3 to 4.

Probability of Significant Rain: Medium Low

Sunny Intervals with Showers

Friday, Jul 25

Mainly cloudy with a few showers. Sunny intervals during the day.

Max Temp: 32°C

Min Temp: 27°C

Humidity: 75-95%

Wind: East to southeast force 3 to 4.

Probability of Significant Rain: Medium Low

Light Rain

Saturday, Jul 26

Mainly cloudy with a few showers and thunderstorms.

Max Temp: 31°C

Min Temp: 28°C

Humidity: 80-95%

Wind: South force 3 to 4.

Probability of Significant Rain: Medium Low

Light Rain

Sunday, Jul 27

Mainly cloudy with a few showers and thunderstorms.

Max Temp: 31°C

Min Temp: 28°C

Humidity: 80-95%

Wind: South force 3 to 4.

Probability of Significant Rain: Medium Low

Additional Information

Sea Temperature (North Point): 26°C (Recorded: Jul 18, 2025, 07:00)

Soil Temperature (Hong Kong Observatory, 0.5m): 30.6°C (Recorded: Jul 18, 2025, 07:00)

Soil Temperature (Hong Kong Observatory, 1m): 29.9°C (Recorded: Jul 18, 2025, 07:00)


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