10-day forecast for Key Biscayne, FL: 58° to 85°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Wednesday, November 18
73° · 0.11 in
Worst day: Friday, November 13
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1084° / 75°0.05
Morning79°feels 79°
Afternoon82°feels 85°
Evening78°feels 80°
Overnight76°feels 77°
84 °
Key Biscayne, Tuesday, 10 November
Light rain. High 84°, low 75°.
Pressure30.09 inHg
Wind7.9 mph E
Humidity64%
Visibility4.3 mi
Dew point68°
Wed, 1182° / 71°0.07
Morning77°feels 79°
Afternoon80°feels 83°
Evening72°feels 74°
Overnight75°feels 76°
82 °
Key Biscayne, Wednesday, 11 November
Light rain. High 82°, low 71°.
Pressure30.03 inHg
Wind5.8 mph SE
Humidity67%
Visibility6.2 mi
Dew point70°
Thu, 1282° / 71°0.1
Morning73°feels 75°
Afternoon79°feels 79°
Evening74°feels 75°
Overnight71°feels 73°
82 °
Key Biscayne, Thursday, 12 November
Light rain. High 82°, low 71°.
Pressure29.88 inHg
Wind6 mph W
Humidity71%
Visibility6.2 mi
Dew point71°
Fri, 1373° / 67°0.11
Morning70°feels 71°
Afternoon72°feels 73°
Evening68°feels 69°
Overnight70°feels 71°
73 °
Key Biscayne, Friday, 13 November
Light rain. High 73°, low 67°.
Pressure29.83 inHg
Wind4.4 mph NW
Humidity83%
Visibility6.2 mi
Dew point67°
Sat, 1469° / 58°0
Morning61°feels 60°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight58°feels 56°
69 °
Key Biscayne, Saturday, 14 November
Clear. High 69°, low 58°.
Pressure29.97 inHg
Wind9.6 mph NW
Humidity52%
Visibility—
Dew point49°
Sun, 1572° / 58°0
Morning65°feels 63°
Afternoon72°feels 71°
Evening72°feels 72°
Overnight70°feels 69°
72 °
Key Biscayne, Sunday, 15 November
Clear. High 72°, low 58°.
Pressure30.09 inHg
Wind11.6 mph E
Humidity53%
Visibility—
Dew point52°
Mon, 1676° / 72°0.01
Morning74°feels 74°
Afternoon76°feels 76°
Evening75°feels 76°
Overnight76°feels 76°
76 °
Key Biscayne, Monday, 16 November
Light rain. High 76°, low 72°.
Pressure30.06 inHg
Wind14.5 mph E
Humidity58%
Visibility—
Dew point60°
Tue, 1779° / 76°0.04
Morning78°feels 78°
Afternoon78°feels 79°
Evening78°feels 79°
Overnight78°feels 78°
79 °
Key Biscayne, Tuesday, 17 November
Light rain. High 79°, low 76°.
Pressure30.06 inHg
Wind17.9 mph E
Humidity68%
Visibility—
Dew point67°
Wed, 1879° / 77°0
Morning77°feels 77°
Afternoon78°feels 78°
Evening78°feels 78°
Overnight77°feels 78°
79 °
Key Biscayne, Wednesday, 18 November
Light rain. High 79°, low 77°.
Pressure30.09 inHg
Wind19.5 mph E
Humidity60%
Visibility—
Dew point63°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Key Biscayne, FL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.