Tue Mar 18 2025

Weather in Cayman

SYNOPSIS

Fresh to locally strong northerly winds are expected as a high-pressure system builds across the Gulf of Mexico, tightening the pressure gradient. Swells are likely across northern and western coasts of Cayman through Wednesday morning. Radar images show isolated showers to the southeast of Grand Cayman moving south.

Today:  Lots of sunshine. Winds NE at 10 to 20 mph.

Tonight:  Clear skies. Winds ENE at 10 to 20 mph.

Chance of rain: 0%.

Sea: Moderate to rough with a wave height of 5 to 7 feet. Small craft should exercise caution over open water

Humidity: 85 (UP from yesterday)

UV: 11 EXTREME (Same as yesterday) Daily Max at 12 pm

Extreme: 11+

Take full precaution. Unprotected skin will be damaged and can burn in minutes. Avoid the sun between 11 a.m. and 3 p.m., cover up, and wear a hat, sunglasses and sunscreen. Don’t forget that white sand and other bright surfaces reflect UV and increase UV exposure.

Expected temperatures: 73°F to 83°F. Yesterday: H 87.4°F  L 76.5°F

Barometer: 1018 mb 

Rain: Last month: 1.29 in

Rain this month 0.70 in
Last 24 hrs (since yesterday’s readings) 0.00 in. 2 days since rain, 2 rain days in March
2025 Season Total: 2.05 in 
2024 Season Total: 69.91 in
Latest rainfall readings are from BODDEN TOWN.
Average rainfall in March: 1.3 in.
Average temperature in March: 72°F to 86°F
Sea Temperature in March: 81°F

MOON: 83% Illumination

Waning Gibbous

LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables March 2025

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/astronomy/cayman-islands/george-towne.com/astronomy/cayman-islands

Humidity: 70% (Down from yesterday)

UV: 11 EXTREME (Same as yesterday) Daily Max at 12 pm

Extreme: 11+

Take full precaution. Unprotected skin will be damaged and can burn in minutes. Avoid the sun between 11 a.m. and 3 p.m., cover up, and wear a hat, sunglasses and sunscreen. Don’t forget that white sand and other bright surfaces reflect UV and increase UV exposure.

Expected temperatures: 78°F to 87°F. Yesterday: H 87.4°F  L 75.7°F

Barometer: 1015 mb 

Rain: Last month: 1.29 in

Rain this month 0.70 in
Last 24 hrs (since yesterday’s readings) 0.15 in. 0 days since rain, 2 rain days in March
2025 Season Total: 2.05 in 
2024 Season Total: 69.91 in
Latest rainfall readings are from BODDEN TOWN.
Average rainfall in March: 1.3 in.
Average temperature in March: 72°F to 86°F
Sea Temperature in March: 81°F

MOON: 94% Illumination

Waning Gibbous

LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables March 2025

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/astronomy/cayman-islands/george-towne.com/astronomy/cayman-islands