Current conditions and the National Weather Service 7-day forecast for Key Biscayne, Florida — temperature, rain chance, wind, radar and active alerts.
Saturday Aug 29 night: a low around 85°F. Sunday Aug 30: a high near 88°F and a low around 85°F. The wettest day looks like Sunday Aug 30, near 0.17 in. Highs over the period run 88°F to 88°F.
| Day | High | Low | Precip |
|---|---|---|---|
| Saturday Aug 29 | — | 85° | 0.08 in |
| Sunday Aug 30 | 88° | 85° | 0.17 in |
| Monday Aug 31 | 88° | 84° | 0.08 in |
| Tuesday Sep 1 | 88° | 84° | 0.05 in |
| Wednesday Sep 2 | 88° | 84° | — |
| Thursday Sep 3 | 88° | 83° | — |
| Friday Sep 4 | 88° | 83° | — |
| Saturday Sep 5 | 88° | — | — |