Local Forecast

Key Biscayne, FL Weather Forecast & Alerts

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

Active Alerts 1 active

Hour-by-Hour  Current Observation

Wednesday 12:45 PM EDTWednesday 12:45 PM

°F °C
Regional Observations →
89°F

Smoke

  • 89° / 84° High / Low
  • 98° Feels Like
  • 0% Chance of Rain

Wind

10 mph

S

UV Index

13

Extreme

Humidity

59%

Dew 73°F

Sun

6:30 AM · 8:14 PM

Rise · Set

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

5-Day Outlook

Through Sunday

Local Radar →

Today

89° 84°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Today

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 100. South wind 3 to 10 mph. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms before 5am. Partly cloudy, with a low around 83. Southeast wind 7 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

Thursday

89° 84°

Partly Sunny

Overnight: Mostly Clear

Detailed forecast

Thursday

A slight chance of showers and thunderstorms between 7am and 8am. Mostly sunny, with a high near 88. Heat index values as high as 100. Southeast wind 7 to 10 mph. Chance of precipitation is 20%.

Night

Mostly clear, with a low around 84. Southeast wind around 12 mph.

Friday

89° 84°

Isolated T-storm

Overnight: Isolated T-storm

Detailed forecast

Friday

Sunny, with a high near 88. Southeast wind around 12 mph.

Night

Mostly clear, with a low around 84. East wind around 13 mph.

Saturday

89° 84°

Mostly Sunny

Overnight: Mostly Clear

Detailed forecast

Saturday

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. East wind around 12 mph. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 84. East wind 9 to 13 mph. Chance of precipitation is 20%.

Sunday

89° 84°

Isolated T-storm

Overnight: Mostly Sunny

Detailed forecast

Sunday

A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 88. Chance of precipitation is 20%.

Night

A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 84. Chance of precipitation is 20%.

Key Biscayne, FL Weather Analysis Tools