Today's Forecast
Updated: 19 September 2026 | 4:00 p.m.
SYNOPSIS:
A tropical wave will continue to affect the Cayman Islands tonight, allowing for cloudy conditions and the chance of thunderstorms. Cloudy skies with pockets of thundershowers are forecast through Sunday as an upper-level low interacts with residual moisture. A Flood Alert is in effect. Radar imagery shows showers to the south, and north of the Cayman area moving towards the west.
FORECAST:
Tonight: Cloudy skies with a 60% chance of showers and thunderstorms overnight. Showers may become locally heavy at times. A Flood Alert is in effect. Temperatures will fall to the upper 70s °F. Winds will be light and variable at times, becoming east southeasterly at 5 to 10 knots overnight with higher gusts in and around showers. Seas will be slight with wave heights of 1 to 3 feet.
Tomorrow: Cloudy skies with a 40% chance of showers and thunderstorms. Showers may become locally heavy at times. A Flood Alert will be 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 light and variable at times and with higher gusts in and around showers. Seas will be slight with wave heights of 1 to 3 feet.
TIDES:
Today: High 6:16 p.m.
Tomorrow: Low 12:27 a.m. High 5:33 a.m. Low 11:45 a.m. High 6:42 p.m.
SUNSET: 6:23 p.m. Today. SUNRISE: 6:14 a.m. Tomorrow. SUNSET: 6:22 p.m. Tomorrow
OUTLOOK:
is for an increase chance of thunderstorms from Monday night through Wednesday due to moisture advection from Central America coupled with an upper-level low. A Flood Watch is possible for Monday.
Forecaster
Neverson-Jack