Key Biscayne Weather Forecast 15 Days, Weather in Key Biscayne Today
Current weather conditions and 15 day weather forecast for Key Biscayne, Florida, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Key Biscayne
| 30 March 2026 Monday 25.6 ° C / 78.1°F  Partly cloudy |
Feels Like : 27.6 ° C / 81.8°F Humidity : % 71 Pressure : 1022 mb Wind Speed : 34.2 kmph / 21.3 miles from E  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Key Biscayne, FL, USA
Weather Forecast for next 15 Days for Key Biscayne including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Key Biscayne, Florida state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 30 March 2026 Monday |  Patchy rain nearby |
22.9 ° C (73.2°F) |
28 ° C (82.4°F) |
25.3 ° C (77.6°F) |
% 79 | 86% | 2.1 | Sunrise:07:14 AM Sunset: 07:37 PM |
Moonrise:05:38 PM Moonset: 05:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Partly Cloudy |
23.4 ° C (74.1°F) |
25.9 ° C (78.6°F) |
24.5 ° C (76.1°F) |
% 76 | 0% | 2.4 | Sunrise:07:13 AM Sunset: 07:37 PM |
Moonrise:06:34 PM Moonset: 06:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Sunny |
22.7 ° C (72.9°F) |
26.9 ° C (80.4°F) |
23.9 ° C (75.1°F) |
% 76 | 0% | 2.3 | Sunrise:07:12 AM Sunset: 07:38 PM |
Moonrise:07:29 PM Moonset: 06:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
23.8 ° C (74.8°F) |
24.9 ° C (76.8°F) |
24.3 ° C (75.7°F) |
% 78 | 70% | 2 | Sunrise:07:11 AM Sunset: 07:38 PM |
Moonrise:08:23 PM Moonset: 07:16 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
24.1 ° C (75.3°F) |
25.7 ° C (78.3°F) |
24.7 ° C (76.5°F) |
% 73 | 86% | 2.2 | Sunrise:07:10 AM Sunset: 07:39 PM |
Moonrise:09:19 PM Moonset: 07:48 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
24.1 ° C (75.3°F) |
25 ° C (76.9°F) |
24.3 ° C (75.8°F) |
% 74 | 89% | 0 | Sunrise:07:09 AM Sunset: 07:39 PM |
Moonrise:10:15 PM Moonset: 08:21 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Patchy rain nearby |
24.2 ° C (75.6°F) |
26.4 ° C (79.4°F) |
25.2 ° C (77.3°F) |
% 71 | 83% | 6 | Sunrise:07:08 AM Sunset: 07:39 PM |
Moonrise:11:11 PM Moonset: 08:59 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Patchy rain nearby |
22.9 ° C (73.2°F) |
27.7 ° C (81.9°F) |
25.4 ° C (77.7°F) |
% 68 | 82% | 6 | Sunrise:07:07 AM Sunset: 07:40 PM |
Moonrise:No moonrise Moonset: 09:42 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Patchy rain nearby |
23 ° C (73.5°F) |
25.7 ° C (78.2°F) |
24.7 ° C (76.5°F) |
% 72 | 89% | 5 | Sunrise:07:06 AM Sunset: 07:40 PM |
Moonrise:12:07 AM Moonset: 10:28 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday |  Moderate rain |
22 ° C (71.7°F) |
22.8 ° C (73.1°F) |
22.6 ° C (72.6°F) |
% 79 | 89% | 5 | Sunrise:07:05 AM Sunset: 07:41 PM |
Moonrise:01:00 AM Moonset: 11:20 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Patchy rain nearby |
22.4 ° C (72.3°F) |
23.8 ° C (74.8°F) |
22.9 ° C (73.2°F) |
% 64 | 81% | 5 | Sunrise:07:04 AM Sunset: 07:41 PM |
Moonrise:01:50 AM Moonset: 12:14 PM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Patchy rain nearby |
22.3 ° C (72.1°F) |
23.6 ° C (74.5°F) |
22.9 ° C (73.1°F) |
% 63 | 89% | 5 | Sunrise:07:02 AM Sunset: 07:42 PM |
Moonrise:02:35 AM Moonset: 01:11 PM Moon Phase ( Last Quarter ) |
|
| 11 April 2026 Saturday | Patchy rain nearby |
21.8 ° C (71.3°F) |
24 ° C (75.1°F) |
23 ° C (73.3°F) |
% 64 | 86% | 5 | Sunrise:07:01 AM Sunset: 07:42 PM |
Moonrise:03:16 AM Moonset: 02:09 PM Moon Phase ( Waning Crescent ) |
|
| 12 April 2026 Sunday | Patchy rain nearby |
22.7 ° C (72.9°F) |
24.9 ° C (76.8°F) |
23.7 ° C (74.7°F) |
% 65 | 85% | 5 | Sunrise:07:00 AM Sunset: 07:43 PM |
Moonrise:03:53 AM Moonset: 03:07 PM Moon Phase ( Waning Crescent ) |
|
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