Key Biscayne Weather Today — Florida, United States
Current temperature, rain chance, humidity, wind and air quality in Key Biscayne, plus an hourly and 3-day forecast. Updated through the day.
15:12
Fri, 18 Sep 2026
📍 Florida, United States
Key Biscayne??
31
°C
Patchy light rain in area with thunder
Feels 34°C · 88°F
💧 59% Humidity
💨 → 17.6 km/h ESE
👁 10 km Visibility
🌧 0.21 mm Precip
☁ 80% Cloud
☀️ UV High
🌿 AQI Good
☀️ UV Index
6.1
High
🔵 Pressure
1015
hPa · 29.97 in
💨 Wind
17.6
km/h · Gust 35.6 km/h
→ ESE
💧 Humidity
59%
Dew point 22°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
34.6°
Wind chill 30.8°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:07 AM
🌇
Sunset
07:21 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Patchy rain nearby
31°
/
28°
💧65%
🌧3.71mm
💨18
☀️UV 6.1
Saturday
19 Sep 2026
Overcast
31°
/
28°
💧64%
🌧6.04mm
💨14
☀️UV 9.4
Sunday
20 Sep 2026
Light rain shower
32°
/
29°
💧61%
🌧7.01mm
💨18
☀️UV 10
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