Local Forecast

Key Biscayne, FL Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Key Biscayne, FL

No Active Alerts

Hour-by-Hour  Current Observation

Monday 2:25 PM EDTMonday 2:25 PM

°F °C
Regional Observations →
87°F

Clear

  • 89° / 84° High / Low
  • 99° Feels Like
  • 0% Chance of Rain

Wind

3 mph

S

UV Index

10

Very High

Humidity

70%

Dew 77°F

Sun

7:01 AM · 7:39 PM

Rise · Set

Source: MIAMI/OPA LOCKA (KOPF). Slider scrubs the next 12 hours.

5-Day Outlook

Through Friday

Local Radar →

This Afternoon

89° 84°

Chance of Thunderstorms

Overnight: Chance of Thunderstorms

Detailed forecast

This Afternoon

A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Heat index values as high as 104. Southeast wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 84. Heat index values as high as 100. East wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Tuesday

89° 84°

Scattered Thunderstorms Likely

Overnight: Scattered Thunderstorms Likely

Detailed forecast

Tuesday

Showers and thunderstorms likely. Mostly sunny, with a high near 88. Heat index values as high as 104. Southeast wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 84. Heat index values as high as 101. East wind 8 to 12 mph. Chance of precipitation is 50%.

Wednesday

89° 84°

Scattered Thunderstorms Likely

Overnight: Chance of Thunderstorms

Detailed forecast

Wednesday

Showers and thunderstorms likely before 5pm, then showers and thunderstorms likely. Mostly sunny, with a high near 88. East wind 8 to 12 mph. Chance of precipitation is 60%.

Night

Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 84. East wind 12 to 15 mph. Chance of precipitation is 60%.

Thursday

89° 84°

Thunderstorms

Overnight: Thunderstorms

Detailed forecast

Thursday

A chance of showers and thunderstorms before 8am, then showers and thunderstorms between 8am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Southeast wind around 14 mph. Chance of precipitation is 80%.

Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 84. Southeast wind 12 to 15 mph. Chance of precipitation is 60%.

Friday

89° 84°

Chance of Thunderstorms

Overnight: Scattered Thunderstorms Likely

Detailed forecast

Friday

Showers and thunderstorms likely. Partly sunny, with a high near 88. Southeast wind around 13 mph. Chance of precipitation is 70%.

Night

Showers and thunderstorms likely. Partly cloudy, with a low around 84. Chance of precipitation is 60%.