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As of 15:00 EDT

Weather in Key Biscayne, FL

81°Current weather

Key Biscayne, Tuesday, 27 October, 15:00

Mostly clear. Feels like 86°. High 82°, low 74°.

Pressure29.88 inHg
Wind5 mph NE
Humidity84%
Visibility6.2 mi
Dew point74°

10-day forecast for Key Biscayne, FL: 72° to 87°, with precipitation expected on 8 days. The table below breaks each day into morning, afternoon, evening and overnight.

82°
Best day: Thursday, November 5
80° · 0.51 in
Worst day: Sunday, November 1

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

Wed, 2887° / 76°0.08Light rain
MorningPartly cloudy79°feels 79°
AfternoonMostly clear85°feels 92°
EveningClear80°feels 85°
OvernightLight rain77°feels 79°
87 °Light rain

Key Biscayne, Wednesday, 28 October

Light rain. High 87°, low 76°.

Pressure29.91 inHg
Wind4.5 mph E
Humidity73%
Visibility6.2 mi
Dew point73°
Thu, 2984° / 74°0.04Light rain
MorningPartly cloudy74°feels 76°
AfternoonLight rain84°feels 90°
EveningMostly clear79°feels 80°
OvernightMostly clear78°feels 79°
84 °Light rain

Key Biscayne, Thursday, 29 October

Light rain. High 84°, low 74°.

Pressure29.94 inHg
Wind5.3 mph NE
Humidity71%
Visibility5.7 mi
Dew point73°
Fri, 3084° / 74°0.11Light rain
MorningMostly clear75°feels 76°
AfternoonLight rain84°feels 91°
EveningMostly clear78°feels 80°
OvernightMostly clear74°feels 76°
84 °Light rain

Key Biscayne, Friday, 30 October

Light rain. High 84°, low 74°.

Pressure29.97 inHg
Wind5.9 mph NE
Humidity72%
Visibility6.2 mi
Dew point73°
Sat, 3184° / 75°0.05Light rain
MorningMostly clear76°feels 77°
AfternoonMostly clear84°feels 90°
EveningLight rain79°feels 79°
OvernightPartly cloudy75°feels 77°
84 °Light rain

Key Biscayne, Saturday, 31 October

Light rain. High 84°, low 75°.

Pressure30.00 inHg
Wind7 mph E
Humidity71%
Visibility6.2 mi
Dew point73°
Sun, 0180° / 72°0.51Rain
MorningRain74°feels 76°
AfternoonRain78°feels 79°
EveningRain74°feels 76°
OvernightRain73°feels 75°
80 °Rain

Key Biscayne, Sunday, 1 November

Rain. High 80°, low 72°.

Pressure30.03 inHg
Wind7.8 mph NE
Humidity83%
Visibility—
Dew point72°
Mon, 0282° / 74°0.09Light rain
MorningLight rain78°feels 79°
AfternoonLight rain82°feels 84°
EveningLight rain80°feels 80°
OvernightLight rain78°feels 79°
82 °Light rain

Key Biscayne, Monday, 2 November

Light rain. High 82°, low 74°.

Pressure29.85 inHg
Wind10.3 mph S
Humidity64%
Visibility—
Dew point68°
Tue, 0380° / 77°0.05Light rain
MorningLight rain78°feels 79°
AfternoonLight rain80°feels 82°
EveningLight rain78°feels 79°
OvernightLight rain78°feels 78°
80 °Light rain

Key Biscayne, Tuesday, 3 November

Light rain. High 80°, low 77°.

Pressure29.85 inHg
Wind11.5 mph SE
Humidity64%
Visibility—
Dew point66°
Wed, 0480° / 77°0Overcast
MorningOvercast78°feels 78°
AfternoonOvercast79°feels 80°
EveningOvercast78°feels 80°
OvernightOvercast78°feels 79°
80 °Overcast

Key Biscayne, Wednesday, 4 November

Overcast. High 80°, low 77°.

Pressure29.91 inHg
Wind9.1 mph SE
Humidity71%
Visibility—
Dew point69°
Thu, 0582° / 77°0Clear
MorningClear79°feels 81°
AfternoonClear81°feels 84°
EveningClear79°feels 79°
OvernightClear78°feels 79°
82 °Clear

Key Biscayne, Thursday, 5 November

Clear. High 82°, low 77°.

Pressure29.88 inHg
Wind16.8 mph S
Humidity70%
Visibility—
Dew point70°

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.