Wed 21 January 2026

Weather in Cayman

SYNOPSIS

A high-pressure system over the eastern U.S. will continue to support fresh to strong northeasterly winds and rough seas across the Cayman area this morning. As the system moves further east into the Atlantic Ocean, the pressure gradient weakens over the northwest Caribbean in which winds and seas will begin to gradually decrease from the afternoon. The current Small Craft Alert is expected to be downgraded to a Small Craft Advisory from this afternoon and then be lifted by tomorrow morning.

WU/TWC forecast. Today:  Partly cloudy.  Winds ENE 15-25 mph.

WU/TWC forecast: Tonight: Some clouds. Winds ENE 10-20 mph

Chance of rain: 25%.

Sea: Rough with a wave height of 6 to 8 feet. Small craft alert.

Humidity: 83% UP from yesterday

UV: 7 Same as yesterday

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: 74^o F to 84°F. Yesterday: H 82..8°F  L 74.7°F

Barometer: 1017 mb 

Rain: Last month: 1.47 in

Rain this month 0.33 in
Last 24 hrs (since yesterday’s readings) 0.00 in. 1 day since rain, 5 rain days in January
2025 Season Total: 39.54 in 
2026 Season Total: 033 in
Latest rainfall readings are from BODDEN TOWN.
Average rainfall in January: 1.5 in.
Average temperature in January: 74°F to 88°F
Sea Temperature in January: 84°F

Sun in George Town

From time and date

MOON

8% Illumination

Waxing Crescent

LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables January 2026

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
https://www.timeanddate.com/news/