Key Biscayne, FL Weather Forecast and Current Conditions

WEATHER ALERTS - Rip Current Statement

Current Conditions From Nearby Local Station

Partly Cloudy 78°F
Feels Like 78°F  
Humidity N/A Dew Point N/A Wind SE 11 MPH Gusts 16 Barometer 30.05 in.
Solar Rad 453 w/m2
Report from a MADIS/MESONET weather station 2.6 mi. N of central Key Biscayne
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Point Forecast at a Glance

ThuDec 18
Thu Dec 18: Showers, High 80F, Low 75F
20%
80
75
FriDec 19
Fri Dec 19: Partly Sunny, High 83F, Low 74F
83
74
SatDec 20
Sat Dec 20: Mostly Sunny, High 80F, Low 75F
80
75
SunDec 21
Sun Dec 21: Mostly Sunny, High 80F, Low 74F
80
74
MonDec 22
Mon Dec 22: Mostly Sunny, High 78F, Low 73F
78
73
TueDec 23
Tue Dec 23: Mostly Sunny, High 77F, Low 72F
77
72
WedDec 24
Wed Dec 24: Mostly Sunny, High 78F
78
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 77°F to 83°F. Mostly dry conditions with only one day showing rain chances.

Climate Context

This week's forecast shows temperatures running 1°F above the historical average for December. Normal highs for this period are around 78°F with lows around 62°F.

This Date in Weather History

1957 - A tornado swept across Jackson County, Williamson County and Franklin County in southern Illinois killing eleven persons.

More on this and other weather history

Key Biscayne, FL 7 Day Weather Forecast Details

Thursday Dec 18

Showers

Day: A slight chance of showers between noon and 1pm. Partly sunny, with a high near 80. Breezy, with a southeast wind 13 to 17 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Mostly Cloudy

Night: Mostly cloudy, with a low around 75. Southeast wind 8 to 10 mph.

Friday Dec 19

Partly Sunny

Day: Partly sunny, with a high near 83. Southwest wind around 7 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 74. Southwest wind 6 to 9 mph becoming north after midnight.

Saturday Dec 20

Mostly Sunny

Day: Mostly sunny, with a high near 80. East wind around 11 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 75. East wind 8 to 10 mph.

Sunday Dec 21

Mostly Sunny

Day: Mostly sunny, with a high near 80. Northeast wind 7 to 13 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 74. Breezy, with a northeast wind 15 to 20 mph.

Monday Dec 22

Mostly Sunny

Day: Mostly sunny, with a high near 78. Windy, with a northeast wind 21 to 23 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 73. Windy.

Tuesday Dec 23

Mostly Sunny

Day: Mostly sunny, with a high near 77. Windy.

Partly Cloudy

Night: Partly cloudy, with a low around 72. Windy.

Wednesday Dec 24

Mostly Sunny

Day: Mostly sunny, with a high near 78. Breezy.


About Key Biscayne, FL

Key Biscayne is a village in Miami-Dade County, Florida, United States. Located on the island of Key Biscayne, the village is part of the Miami metropolitan area of South Florida. The population was 14,809 at the 2020 census, up from 12,344 in 2010.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.