Thu 11 December 2025

Weather in Cayman

SYNOPSIS

Showers at times remain possible through Friday morning as residual moisture continues to linger across the northwest Caribbean. Light to gentle winds are expected to gradually increase to moderate overnight as a ridge of high-pressure builds across the northern Caribbean.

WU/TWC forecast.Today: Mainly sunny to start, then a few afternoon clouds.  Winds ESE 5– 10 mph.

WU/TWC forecast Tonight: Partly cloudy skies. Winds Light & variable.

Chance of rain: 0%.

Sea: Smooth with a wave height of fewer than 2 feet.

Humidity: 89% (Up from yesterday)

UV: 6 HIGH  DOWN from yesterday.

High: 6-7

Protection required – UV damages the skin and can cause sunburn. Reduce time in the sun between 11 a.m. and 3 p.m. and take full precaution by seeking shade, covering up exposed skin, wearing a hat and sunglasses, and applying sunscreen.

Expected temperatures: 76°F to 87°F. Yesterday: H 88.2°F  L 76.3°F

Barometer: 1015 mb 

Rain: Last month: 4.16 in

Rain this month 0.10 in
Last 24 hrs (since yesterday’s readings) 0.00 in. 5 days since rain, 2 rain days in December.
2025 Season Total: 38.21 in 
2024 Season Total: 70.35 in
Latest rainfall readings are from SOUTH SOUND.
Average rainfall in December: 2.2 in.
Average temperature in December: 73°F to 84°F
Sea Temperature in December: 82°F

Sun in George Town

From time and date

MOON: 53% Illumination

Third Quarter

LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables December 2025

From Tides4fishing

IMPORTANT NOTICEThe times reflected in the tidal table for Grand Cayman are predictions valid as references for sports fishing in areas near the coast of Grand Cayman. THEY ARE NOT SUITABLE FOR NAVIGATION. Remember that to practice any activity at sea like diving, windsurfing and fishing from a boat or underwater fishing should always be consulted with the official tide tables of the port of Grand Cayman.

See: http://www.weather.gov.ky/portal/page?_
FOR RADAR IMAGE GO TO: https://www.weather.gov.ky/radar
Also see Weather In Cayman: http://www.weatherincayman.com
Moon info and graphic: https://www.timeanddate.com/moon/phases/uk/georgetow