Today's Forecast
Updated: 20 September 2026 | 6:00 a.m.
SYNOPSIS:
Isolated showers and thunderstorms are expected today especially during the late morning to the afternoon as an upper-level trough interacts with residual moisture over the western Caribbean. With saturated ground following yesterday's rainfall, localised flooding is possible during heavier showers, a Flood Alert is in effect through the afternoon. Radar imagery shows isolated shower activity in and around the Cayman area moving towards the northwest.
FORECAST:
Today: Cloudy skies with a 40% chance of showers and thunderstorms. Showers may become locally heavy at times. A Flood Alert is in effect. Temperatures will rise near the upper 80's °F, with a heat index near 105°F. Winds will be east to southeast at 5 to 10 knots, becoming variable at times with higher gusts in and around showers. Seas will be slight with wave heights of 1 to 3 feet.
Tonight: Cloudy skies with a 40% chance of showers and thunderstorms overnight. Showers may become locally heavy at times. Temperatures will fall to the upper 70s °F. Winds will be east to southeast at 5 to 10 knots, becoming variable at times with higher gusts in and around showers. Seas will be slight with wave heights of 1 to 3 feet.
TIDES:
Today: Low 11:45 a.m. High 6:42 p.m.
Tomorrow: Low 12:48 a.m. High 6:12 a.m. Low 12:25 a.m. High 7:03 p.m.
SUNSET: 6:22 p.m. Today. SUNRISE: 6:14 a.m. Tomorrow.
OUTLOOK:
is for an increase chance of thunderstorms from Monday night through Wednesday due to moisture advection from the southwest Caribbean coupled with the upper-level trough. A Flood Watch is possible for Monday.
Forecaster
Forbes