Currently: 84 °F. Scattered clouds. (Weather station: Owen Roberts Airportgrand Cayman, Cayman Islands). See more current weatherSister Island Extended Forecast with high and low temperatures
2 Week Extended Forecast in Sister Island, Cayman Islands
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| Conditions | Comfort | Precipitation | Sun | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day | Temperature | Weather | Feels Like | Wind | Humidity | Chance | Amount | UV | Sunrise | Sunset | ||
| Fri Dec 5 |  | 84 / 79 °F | A few tstorms. Mostly cloudy. | 91 °F | 15 mph | ↑ | 77% | 47% | 0.17" | 3 (Moderate) | 6:40 am | 5:39 pm |
| Sat Dec 6 |  | 84 / 80 °F | Passing showers. Broken clouds. | 89 °F | 10 mph | ↑ | 75% | 68% | 0.09" | 3 (Moderate) | 6:40 am | 5:40 pm |
| Sun Dec 7 | | 82 / 77 °F | Showers late. Broken clouds. | 87 °F | 12 mph | ↑ | 81% | 41% | 0.05" | 3 (Moderate) | 6:41 am | 5:40 pm |
| Mon Dec 8 | | 83 / 77 °F | Passing showers. Cloudy. | 87 °F | 9 mph | ↑ | 75% | 40% | 0.07" | 0 (Low) | 6:41 am | 5:40 pm |
| Tue Dec 9 | | 82 / 79 °F | Passing showers. Cloudy. | 86 °F | 9 mph | ↑ | 74% | 38% | 0.03" | 0 (Low) | 6:42 am | 5:40 pm |
| Wed Dec 10 | | 82 / 78 °F | Passing showers. Broken clouds. | 86 °F | 7 mph | ↑ | 72% | 24% | 0.02" | 3 (Moderate) | 6:43 am | 5:41 pm |
| Thu Dec 11 | | 83 / 79 °F | Showers late. Afternoon clouds. | 87 °F | 16 mph | ↑ | 72% | 21% | 0.03" | 3 (Moderate) | 6:43 am | 5:41 pm |
| Fri Dec 12 | | 84 / 79 °F | Scattered clouds. | 89 °F | 15 mph | ↑ | 76% | 5% | 0.00" | 3 (Moderate) | 6:44 am | 5:41 pm |
| Sat Dec 13 | | 82 / 81 °F | Passing showers. Mostly cloudy. | 89 °F | 17 mph | ↑ | 79% | 46% | 0.03" | 3 (Moderate) | 6:44 am | 5:42 pm |
| Sun Dec 14 |  | 82 / 81 °F | Sunny. | 89 °F | 14 mph | ↑ | 80% | 40% | 0.00" | 3 (Moderate) | 6:45 am | 5:42 pm |
| Mon Dec 15 | | 82 / 81 °F | Isolated tstorms. Cloudy. | 88 °F | 10 mph | ↑ | 78% | 41% | 0.03" | 3 (Moderate) | 6:45 am | 5:42 pm |
| Tue Dec 16 |  | 82 / 80 °F | Thunderstorms. Overcast. | 88 °F | 5 mph | ↑ | 77% | 99% | 0.51" | 3 (Moderate) | 6:46 am | 5:43 pm |
| Wed Dec 17 | | 82 / 80 °F | Thunderstorms. Overcast. | 89 °F | 33 mph | ↑ | 83% | 99% | 0.35" | 0 (Low) | 6:47 am | 5:43 pm |
| Thu Dec 18 |  | 83 / 80 °F | Sprinkles. Overcast. | 89 °F | 26 mph | ↑ | 73% | 52% | 0.11" | 0 (Low) | 6:47 am | 5:44 pm |
| Fri Dec 19 | | 84 / 82 °F | Sprinkles late. Overcast. | 91 °F | 24 mph | ↑ | 73% | 46% | 0.04" | 0 (Low) | 6:48 am | 5:44 pm |
| * Updated Friday, December 5, 2025 10:24:01 am Sister Island time - Weather by CustomWeather, © 2025 | ||||||||||||