18 July Weather in Cayman & Tropical Report

Fri 18 July 2025

TROPICAL REPORT
Atlantic Tropical Weather Outlook



NOAA Climate Prediction Center


Weather in Cayman

SYNOPSIS
A tropical wave just west of Jamaica is expected to move across the western Caribbean through this morning, bringing an increased chance of cloudiness and showers through this afternoon. From later-today, a light plume of Saharan dust will progressively invade the region for a time before gradually subsiding Saturday morning.
Day: Partly cloudy. Winds E at 10 to 20 mph.
Night: Mostly clear skies early then increasing clouds with some scattered thunderstorms late.Winds NE at 10 to 15 mph.
Chance of rain: 25%.
Sea: Moderate with a wave height of 3 to 5 feet.
Humidity: 70%
UV: 10 VERY HIGH (Same as yesterday). Daily Max at 11 AM
Very High: 8-10
Extra precaution required – unprotected skin will be damaged and can burn quickly. Avoid the sun between 11 a.m. and 3 p.m. and seek shade, cover up, and wear a hat, sunglasses and sunscreen.
Expected temperatures: 83°F to 91°F. Yesterday: H 91.2°F L 83.4°F
Barometer: 1016 mb
Rain: Last month: 5.46 in
Rain this month 1.84 in
Last 24 hrs (since yesterday’s readings) 0.00 in. 5 days since rain, 5 rain days in July
2025 Season Total: 12.80 in
2024 Season Total: 69.91 in
Latest rainfall readings are from SOUTH SOUND.
Average rainfall in July: 5.9 in.
Average temperature in July: 83°F to 91°F
Sea Temperature in July: 86°F
MOON: 43% Illumination

Waning Crescent
LOCAL 6 DAY FORECAST

Grand Cayman Sun & Tides Tables July 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
Tropical storm data and graphics from National Hurricane Center at: https://www.nhc.noaa.gov/
Weathernerds: http:// https://www.weathernerds.org/
Mikes Weather Page: http://www.spaghettimodels.com
Published July 18, 2025
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