As of 15:43 EDT

Weather in Key Biscayne, FL

85°Current weather

Key Biscayne, Thursday, 29 October, 15:43

Overcast. Feels like 95°. High 86°, low 75°.

Pressure29.91 inHg
Wind8.1 mph NE
Humidity73%
Visibility6.2 mi
Dew point76°

10-day forecast for Key Biscayne, FL: 71° to 86°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

86°
Best day: Friday, October 30
76° · 2.46 in
Worst day: Monday, November 2

Tap any day below to see morning, afternoon, evening and overnight.

Fri, 3086° / 76°0.02Light rain
MorningClear78°feels 79°
AfternoonMostly clear86°feels 96°
EveningMostly clear81°feels 87°
OvernightMostly clear79°feels 79°
86 °Light rain

Key Biscayne, Friday, 30 October

Light rain. High 86°, low 76°.

Pressure29.97 inHg
Wind5.5 mph NE
Humidity70%
Visibility6.2 mi
Dew point73°
Sat, 3181° / 75°0.19Light rain
MorningLight rain76°feels 77°
AfternoonLight rain81°feels 85°
EveningPartly cloudy78°feels 79°
OvernightPartly cloudy80°feels 80°
81 °Light rain

Key Biscayne, Saturday, 31 October

Light rain. High 81°, low 75°.

Pressure30.09 inHg
Wind10.3 mph E
Humidity75%
Visibility3.1 mi
Dew point73°
Sun, 0179° / 73°1.1Rain
MorningRain74°feels 75°
AfternoonRain76°feels 78°
EveningLight rain75°feels 76°
OvernightLight rain78°feels 79°
79 °Rain

Key Biscayne, Sunday, 1 November

Rain. High 79°, low 73°.

Pressure30.12 inHg
Wind9.9 mph E
Humidity85%
Visibility2.1 mi
Dew point72°
Mon, 0276° / 71°2.46Heavy rain
MorningHeavy rain71°feels 72°
AfternoonRain75°feels 76°
EveningHeavy rain73°feels 74°
OvernightRain72°feels 73°
76 °Heavy rain

Key Biscayne, Monday, 2 November

Heavy rain. High 76°, low 71°.

Pressure30.00 inHg
Wind6.2 mph NE
Humidity91%
Visibility1.7 mi
Dew point71°
Tue, 0382° / 72°0.08Light rain
MorningLight rain75°feels 77°
AfternoonLight rain81°feels 84°
EveningLight rain76°feels 78°
OvernightLight rain76°feels 77°
82 °Light rain

Key Biscayne, Tuesday, 3 November

Light rain. High 82°, low 72°.

Pressure29.88 inHg
Wind8.3 mph NE
Humidity66%
Visibility—
Dew point68°
Wed, 0481° / 77°0.21Light rain
MorningLight rain79°feels 81°
AfternoonLight rain81°feels 84°
EveningLight rain80°feels 80°
OvernightLight rain78°feels 79°
81 °Light rain

Key Biscayne, Wednesday, 4 November

Light rain. High 81°, low 77°.

Pressure29.83 inHg
Wind8.1 mph SE
Humidity68%
Visibility—
Dew point69°
Thu, 0585° / 77°0.03Light rain
MorningLight rain79°feels 81°
AfternoonLight rain83°feels 87°
EveningLight rain80°feels 83°
OvernightLight rain78°feels 79°
85 °Light rain

Key Biscayne, Thursday, 5 November

Light rain. High 85°, low 77°.

Pressure29.77 inHg
Wind15.6 mph W
Humidity58%
Visibility—
Dew point67°
Fri, 0683° / 75°0Clear
MorningClear77°feels 77°
AfternoonClear82°feels 82°
EveningClear80°feels 81°
OvernightClear77°feels 77°
83 °Clear

Key Biscayne, Friday, 6 November

Clear. High 83°, low 75°.

Pressure29.80 inHg
Wind14.9 mph NW
Humidity48%
Visibility—
Dew point59°
Sat, 0780° / 72°0Clear
MorningClear74°feels 74°
AfternoonClear78°feels 78°
EveningClear77°feels 77°
OvernightClear75°feels 75°
80 °Clear

Key Biscayne, Saturday, 7 November

Clear. High 80°, low 72°.

Pressure29.94 inHg
Wind14.2 mph NW
Humidity42%
Visibility—
Dew point53°

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.