Scattered showers and thunderstorms expected in St Lucia Weather August 27 2025 forecast
CASTRIES, St Lucia — St Lucia Weather August 27 2025 forecasts indicate cloudy skies with scattered showers and the possibility of isolated thunderstorms, as a weak tropical wave moves through the Lesser Antilles, according to the Saint Lucia Meteorological Services.
Current conditions at St Lucia airports
At midday, Hewanorra International Airport reported partly cloudy skies, while George F. L. Charles Airport in Castries recorded cloudy conditions. Temperatures reached 31°C (88°F) at Hewanorra, following a minimum of 27°C (81°F) overnight. Relative humidity stood at 71 percent, with winds blowing from the east-southeast at 10 mph (17 km/h).
Rainfall totals for the 24 hours ending 8 a.m. measured 2.5 millimeters at Hewanorra and 8.2 millimeters at George F. L. Charles. So far, August has produced 81.6 millimeters of rainfall at Hewanorra and 80.5 millimeters at George F. L. Charles.
Sunset is expected at 6:18 p.m., with sunrise tomorrow at 5:52 a.m.
Forecast for St Lucia
Forecaster Vigil Saltibus said winds will shift slightly, blowing from the east to southeast near 16 mph (26 km/h). Residents can expect fair skies turning cloudy at intervals, with scattered showers and a chance of isolated thunderstorms over the next 24 hours. This update follows St Lucia Weather August 26 2025, when forecasters also reported hazy conditions and scattered showers across parts of the island.
The marine forecast calls for moderate seas with waves between 4 and 6 feet (1.2 to 1.8 meters). Tides at Castries Harbour will reach high at 5:58 p.m., while Vieux Fort Bay will see low tide at 1:11 p.m. and high tide at 7:05 p.m.
Conditions across the Lesser Antilles
Weather across the Lesser Antilles will mirror local conditions, with fair skies at times giving way to widely scattered showers and the possibility of isolated thunderstorms as the tropical wave influences the region.
Tropical weather outlook
A weak tropical wave will continue to bring occasional cloudy periods and showers across the Lesser Antilles through the next 24 hours. Another tropical wave, now located over the eastern tropical Atlantic, is moving westward at about 20 mph (31 km/h).
Meteorologists say tropical cyclone formation is not expected in the Atlantic basin within the next seven days.
For continuous updates on daily forecasts and developing tropical weather systems, follow Unitedpac St Lucia News — your trusted source for accurate St Lucia weather coverage.
