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As of 23:26 EDT

Weather in Key Biscayne, FL

76°Current weather

Key Biscayne, Thursday, 22 October, 23:26

Overcast. Feels like 76°. High 79°, low 70°.

Pressure29.97 inHg
Wind5.7 mph N
Humidity71%
Visibility6.2 mi
Dew point66°

10-day forecast for Key Biscayne, FL: 67° to 82°, with precipitation expected on 9 days. The table below breaks each day into morning, afternoon, evening and overnight.

82°
Best day: Saturday, October 24
77° · 1.02 in
Worst day: Monday, October 26

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

Fri, 2379° / 71°0.11Rain
MorningOvercast72°feels 73°
AfternoonOvercast78°feels 79°
EveningLight rain75°feels 76°
OvernightLight rain74°feels 75°
79 °Rain

Key Biscayne, Friday, 23 October

Rain. High 79°, low 71°.

Pressure30.03 inHg
Wind4.6 mph E
Humidity83%
Visibility3.1 mi
Dew point67°
Sat, 2482° / 70°0.02Light rain
MorningOvercast71°feels 72°
AfternoonClear82°feels 84°
EveningClear74°feels 74°
OvernightOvercast72°feels 73°
82 °Light rain

Key Biscayne, Saturday, 24 October

Light rain. High 82°, low 70°.

Pressure30.00 inHg
Wind10.7 mph NE
Humidity59%
Visibility6.2 mi
Dew point65°
Sun, 2582° / 67°0.17Light rain
MorningClear67°feels 68°
AfternoonLight rain81°feels 85°
EveningLight rain74°feels 75°
OvernightClear68°feels 69°
82 °Light rain

Key Biscayne, Sunday, 25 October

Light rain. High 82°, low 67°.

Pressure29.97 inHg
Wind7.2 mph N
Humidity75%
Visibility6.2 mi
Dew point70°
Mon, 2677° / 70°1.02Rain
MorningLight rain71°feels 73°
AfternoonRain77°feels 78°
EveningRain72°feels 73°
OvernightLight rain71°feels 73°
77 °Rain

Key Biscayne, Monday, 26 October

Rain. High 77°, low 70°.

Pressure29.94 inHg
Wind13.8 mph NE
Humidity79%
Visibility1.8 mi
Dew point70°
Tue, 2779° / 73°0.83Rain
MorningRain75°feels 76°
AfternoonRain78°feels 78°
EveningRain75°feels 76°
OvernightRain75°feels 76°
79 °Rain

Key Biscayne, Tuesday, 27 October

Rain. High 79°, low 73°.

Pressure29.91 inHg
Wind15.1 mph NE
Humidity75%
Visibility—
Dew point69°
Wed, 2882° / 75°0.1Light rain
MorningLight rain78°feels 80°
AfternoonLight rain81°feels 86°
EveningLight rain80°feels 80°
OvernightLight rain79°feels 79°
82 °Light rain

Key Biscayne, Wednesday, 28 October

Light rain. High 82°, low 75°.

Pressure29.91 inHg
Wind16.5 mph N
Humidity74%
Visibility—
Dew point72°
Thu, 2982° / 79°0.29Light rain
MorningLight rain80°feels 81°
AfternoonLight rain81°feels 86°
EveningLight rain80°feels 83°
OvernightLight rain79°feels 79°
82 °Light rain

Key Biscayne, Thursday, 29 October

Light rain. High 82°, low 79°.

Pressure29.94 inHg
Wind16.2 mph NE
Humidity74%
Visibility—
Dew point72°
Fri, 3081° / 79°0.3Light rain
MorningLight rain80°feels 81°
AfternoonLight rain81°feels 85°
EveningLight rain79°feels 79°
OvernightLight rain79°feels 80°
81 °Light rain

Key Biscayne, Friday, 30 October

Light rain. High 81°, low 79°.

Pressure29.94 inHg
Wind13.6 mph E
Humidity75%
Visibility—
Dew point72°
Sat, 3181° / 78°0.09Light rain
MorningLight rain79°feels 81°
AfternoonLight rain81°feels 84°
EveningLight rain80°feels 80°
OvernightLight rain79°feels 79°
81 °Light rain

Key Biscayne, Saturday, 31 October

Light rain. High 81°, low 78°.

Pressure30.00 inHg
Wind9.4 mph E
Humidity74%
Visibility—
Dew point71°

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.