Sun 21 December 2025

Weather in Cayman

SYNOPSIS

Slight to moderate northeasterly winds and slight sea conditions are expected over the next 24 hours as a weakening ridge affects the northern Caribbean, while a low chance of showers persists across the northwestern Caribbean due to lingering residual moisture. Satellite imagery indicates isolated low-level cloud cover drifting across the Cayman area.

WU/TWC forecast. Today:  Partly to mostly cloudy. Winds ESE 10– 15 mph.

WU/TWC forecast Tonight: Partly cloudy skies. Winds ESE 5-10 mph.

Chance of rain: 0%.

Sea: Moderate with a wave height of 3 to 5 feet.

Humidity: 79% (UP)

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: 77°F to 87°F. Yesterday: H 87.4°F  L 77.1°F

Barometer: 1017mb 

Rain: Last month: 4.16 in

Rain this month 1.17 in
Last 24 hrs (since yesterday’s readings) 0.00 in. 1 day since rain, 11 rain days in December.
2025 Season Total: 39.24 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: 3% Illumination

Waxing Crescent

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 tidetables 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