Weather in Cayman Islands - today, tomorrow and 14-day forecast
Right now temperatures across Cayman Islands range from 29° to 29°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.
Next days in Cayman Islands
today🌧️
31°💧 0.3 mm
Thu🌧️
31°💧 8.4 mm
Fri🌧️
29°💧 3.1 mm
Sat☁️
29°💧 1.3 mm
Sun🌧️
29°💧 1.7 mm
Mon🌧️
29°💧 1.3 mm
Tue🌧️
29°💧 2 mm
Wed🌧️
29°💧 3.7 mm
14-day forecast - Cayman Islands
📅 Cayman Islands 30 & 45-day weather - long-range outlook
Next 15 days · forecast
29°
around 29° at night · days with rain: 10
Weeks 3-4 · avg for July
32°
around 26° at night · rain chance 35%
Weeks 5-7 · avg for August
32°
around 26° at night · rain chance 39%
The 30 & 45-day outlook for Cayman Islands: the next 15 days are a numerical forecast updated daily - on average 29° by day and 29° at night. Further out we rely on multi-year climate averages: around 32° in July, and about 32° in August. Forecasts beyond two weeks are indicative only.
Day-by-day forecast for Cayman Islands
Wednesday8 July 2026
🌧️31°light rain
Thursday9 July 2026
🌧️31°moderate rain
Friday10 July 2026
🌧️29°moderate rain
Saturday11 July 2026
☁️29°overcast clouds
Sunday12 July 2026
🌧️29°light rain
Monday13 July 2026
🌧️29°light rain
Tuesday14 July 2026
🌧️29°light rain
Wednesday15 July 2026
🌧️29°light rain
Thursday16 July 2026
🌧️30°light rain
Friday17 July 2026
🌧️29°light rain
Saturday18 July 2026
☀️29°clear sky
Sunday19 July 2026
☀️29°clear sky
Monday20 July 2026
☀️29°clear sky
Tuesday21 July 2026
☀️29°clear sky
Wednesday22 July 2026
🌧️29°light rain
🌊 Sea temperature - Cayman Islands
Water today
30°C
Week avg
30°C
Waves today
1.7 m
How's the water?
very warm
16-day sea temperature forecast:
Average sea temperature through the year:
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Grandcayman | 30℃ | 30℃ | 1.3 m | very warm |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Cayman Islands weather through the year
Cayman Islands weather month by month - when is the best time to go?
FAQ - Cayman Islands weather
What is the weather like in Cayman Islands today?
Today it is about 31° during the day and 28° at night, light rain.
How far ahead can I check the forecast for Cayman Islands?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.