Current Weather Situation: Thunderstorm Warning Issued
On May 6, 2025, the Hong Kong Observatory issued a thunderstorm warning, alerting residents to rapidly changing weather conditions driven by a trough of low pressure impacting the Pearl River Estuary. As of 4:45 PM local time, thundery showers were sweeping across the region, with heavier downpours and squally thunderstorms forecast for parts of the New Territories in the coming hours. The warning, first issued at 10:45 AM, will remain in effect until 6:30 PM.
The low-pressure system has already brought significant rainfall, with some areas in Shenzhen and the northern New Territories recording over 10 millimeters of rain this afternoon. Residents are advised to stay vigilant, as squally thunderstorms could pose risks such as localized flooding, strong winds, and lightning strikes.
Safety Tips During Thunderstorms
- Seek Shelter: Move indoors to a sturdy building or vehicle, avoiding open fields or high ground.
- Avoid Water Activities: Stay away from swimming or boating, as lightning can strike water.
- Secure Outdoor Items: Strong winds may dislodge loose objects, so secure patio furniture or other items.
- Stay Informed: Monitor updates from the Hong Kong Observatory for real-time weather alerts.
Tonight and Tomorrow’s Forecast
The weather tonight will remain mainly cloudy with occasional showers, some of which may be heavy in the New Territories, accompanied by squally thunderstorms early in the evening. The minimum temperature is expected to hover around 27°C, offering little relief from the warm and humid conditions.
Tomorrow, May 7, 2025, promises a hot day with sunny intervals breaking through the clouds. Urban areas will see maximum temperatures around 31°C, while the New Territories could experience temperatures a couple of degrees higher. Expect light to moderate east to southeasterly winds, which may provide slight cooling but won’t fully offset the heat.
Tips for Coping with Hot Weather
- Stay Hydrated: Drink plenty of water to avoid dehydration, especially during outdoor activities.
- Dress Lightly: Wear breathable, loose-fitting clothing to stay comfortable.
- Limit Sun Exposure: Use sunscreen, hats, or umbrellas, and avoid outdoor activities during peak heat hours (midday to early afternoon).
- Check on Vulnerable Individuals: Ensure elderly family members or those with health conditions are comfortable and hydrated.
Looking Ahead: A Mix of Sun, Heat, and Showers
The Hong Kong Observatory’s extended forecast indicates that hot weather will persist in the coming days, with sunny periods interspersed with isolated showers. However, conditions are expected to turn unsettled by Friday and Saturday, May 9–10, as another trough of low pressure approaches southern China’s coast, bringing occasional showers and potentially heavier rain.
Early next week, an easterly airstream will influence the Guangdong coast, ushering in slightly cooler temperatures. This shift may provide some respite from the heat, though residents should remain prepared for variable weather.
The current trough of low pressure affecting Guangdong is expected to weaken gradually, reducing rainfall in coastal areas over the next few days. Nevertheless, the arrival of the new low-pressure system by the weekend could reverse this trend, making it essential to stay updated on weather developments.
Preparing for Unsettled Weather
- Keep Rain Gear Handy: Carry umbrellas or waterproof clothing, as showers may develop suddenly.
- Plan Outdoor Activities Early: Schedule events for earlier in the week to avoid potential disruptions from weekend showers.
- Monitor Forecasts: Check the Hong Kong Observatory’s website or app for the latest updates, especially if planning travel or outdoor events.
Why This Weather Matters
Hong Kong’s tropical climate often brings a mix of intense heat, humidity, and sudden storms, particularly during the warmer months. The current trough of low pressure and the anticipated arrival of another system highlight the importance of preparedness. Thunderstorms can disrupt daily routines, from commuting to outdoor work, while hot weather poses health risks, particularly for the elderly, children, and those with medical conditions.
By staying informed and taking proactive steps, residents can navigate these weather challenges safely. The Hong Kong Observatory’s timely warnings and detailed forecasts are valuable tools for planning ahead, whether it’s securing property, adjusting travel plans, or ensuring personal comfort.
Stay Connected for Updates
For the latest weather information, visit the Hong Kong Observatory’s official website or download their mobile app. Real-time alerts and extended forecasts can help you make informed decisions as conditions evolve. As the weekend approaches, keep an eye on updates regarding the incoming trough of low pressure, which could bring more significant weather changes.
Stay safe, stay cool, and be prepared for Hong Kong’s dynamic weather this week!