Key Biscayne Weather Conditions
Current Temperature Level
Key Biscayne Weather Conditions
Current Temperature Level
Feels Like 29°C
Chances of Rain23%
27°23%4 PM27°19%5 PM
27°16%6 PM27°17%7 PM27°17%8 PM27°17%9 PM28°17%10 PM28°16%11 PM28°16%12 AM28°22%1 AM28°14%2 AM28°17%3 AM
27°14%4 AM
27°53%5 AM27°61%6 AM27°61%7 AM27°71%8 AM
27°75%9 AM28°66%10 AM29°32%11 AM29°52%12 PM28°75%1 PM28°61%2 PM28°66%Light rain may develop in some areas.
Last Updated: 2026-09-30 15:30 (Local Time)
119°ESE
Direction
13km/h
Wind Speed
Gust Speed
5.6m/s
Precipitation
Precipitation
0.08mm
Pressure
1016mb
UV Index
1.3Low
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Today
27
°C
66%Thursday
28
°C73%Friday
29
°C71%Saturday
29
°C72%Sunday
29
°C68%Monday
29
°C68%Tuesday
29
°C68%Wednesday
29
°C67%Thursday
28
°C74%Friday
27
°C75%Overcast
Fully overcast skies with a high of 27 °C. Humidity will be 66%, and winds at 20.9 km/h.28°C / 27°C
Humi.66 %
Prec.10.05 mm
Sunrise
07:12 AM11hrs 56min
Sunset
07:08 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Overcast
27 °C
61 %
0
9.4 kmph / NE
Overcast
Feels 28 °C
Cover 100 %
Visibility 10 km
1 AM
Overcast
28 °C
58 %
0
6.1 kmph / ENE
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
2 AM
Overcast
28 °C
58 %
0
10.4 kmph / E
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
3 AM
Overcast
28 °C
59 %
0
11.9 kmph / E
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
4 AM
Overcast
28 °C
61 %
0
15.1 kmph / E
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
5 AM
Rain Shower
27 °C
72 %
0
12.2 kmph / ENE
Rain ShowerFeels 28 °C
Cover 100 %
Visibility 10 km
6 AM
Rain Shower
27 °C
71 %
0
14 kmph / ENE
Rain ShowerFeels 28 °C
Cover 100 %
Visibility 10 km
7 AM
Rain Shower
27 °C
70 %
0
13.7 kmph / ENE
Rain ShowerFeels 29 °C
Cover 100 %
Visibility 10 km
8 AM
Rain Shower
27 °C
71 %
0.2
13.3 kmph / ENE
Rain ShowerFeels 29 °C
Cover 82 %
Visibility 10 km
9 AM
Rain Showers
28 °C
70 %
0.5
16.2 kmph / E
Rain ShowersFeels 30 °C
Cover 100 %
Visibility 7 km
10 AM
Rain Shower
28 °C
68 %
0.4
19.1 kmph / E
Rain ShowerFeels 30 °C
Cover 100 %
Visibility 10 km
11 AM
Rain Shower
28 °C
65 %
0.7
20.9 kmph / E
Rain ShowerFeels 30 °C
Cover 100 %
Visibility 10 km
12 PM
Rain Shower
28 °C
65 %
1
20.9 kmph / ESE
Rain ShowerFeels 30 °C
Cover 100 %
Visibility 10 km
1 PM
Rain Shower
28 °C
66 %
1.2
19.1 kmph / SE
Rain ShowerFeels 29 °C
Cover 100 %
Visibility 10 km
2 PM
Rain Shower
27 °C
67 %
1.4
10.1 kmph / SE
Rain ShowerFeels 29 °C
Cover 100 %
Visibility 10 km
3 PM
Patchy rain nearby
27 °C
67 %
1.3
13 kmph / ESE
Patchy rain nearbyFeels 29 °C
Cover 100 %
Visibility 10 km
4 PM
Patchy rain nearby
27 °C
65 %
1
20.5 kmph / ESE
Patchy rain nearbyFeels 29 °C
Cover 100 %
Visibility 10 km
5 PM
Overcast
27 °C
65 %
0.7
19.4 kmph / ESE
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
6 PM
Overcast
27 °C
68 %
0.3
19.1 kmph / E
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
7 PM
Overcast
27 °C
69 %
0
19.8 kmph / E
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
8 PM
Overcast
27 °C
70 %
0
18.4 kmph / E
OvercastFeels 29 °C
Cover 100 %
Visibility 10 km
9 PM
Overcast
28 °C
68 %
0
18.7 kmph / E
OvercastFeels 30 °C
Cover 100 %
Visibility 10 km
10 PM
Overcast
28 °C
67 %
0
20.5 kmph / E
OvercastFeels 30 °C
Cover 100 %
Visibility 10 km
11 PM
Overcast
28 °C
67 %
0
19.1 kmph / E
OvercastFeels 30 °C
Cover 100 %
Visibility 10 km
30°26°
33°27°33°26°33°26°33°27°33°26°33°27°30°26°33°29°33°29°33°26°33°26°33°27°32°28°32°29°31°29°31°28°31°28°31°27°31°28°30°25°30°28°29°26°32°27°32°26°31°26°30°27°30°26°28°25°30°27°SeptemberWeather Overview
No. of days:
Sunny
9
Cloudy
0
Rainy
12
Snowy
0
The monthly weather averages in Key Biscayne consist of 9 sunny days, 0 cloudy days, 12 rainy days, and 0 snowy days.
Key Biscayne's Locations Weather Conditions
United States's Hottest Cities - September 2026
1.
Edinburg, Texas
37 °C
Overcast
38%
8.2
29.5 kmph / SE
2.
Mission, Texas
37 °C
Overcast
38%
9.1
29.5 kmph / SE
3.
College Station, Texas
36 °C
Partly Cloudy
35%
7.7
27 kmph / SSE
4.
Harlingen, Texas
36 °C
Cloudy
43%
7.1
29.9 kmph / SSE
5.
Laredo, Texas
36 °C
Cloudy
38%
8.6
27 kmph / SSE
6.
Corsicana, Texas
36 °C
Overcast
35%
6.6
27.4 kmph / S
7.
Lacy Lakeview, Texas
35 °C
Overcast
36%
8.2
30.6 kmph / S
8.
Waco, Texas
35 °C
Overcast
36%
8.2
30.6 kmph / S
9.
Taylor, Texas
35 °C
Partly Cloudy
36%
7.9
30.6 kmph / S
10.
Geismar, Louisiana
35 °C
Sunny
36%
7.9
13.3 kmph / ESE
Last Updated: 30 Sept 2026, 07:53 PM
City Weather RankingsFAQs About Key Biscayne Weather Conditions
1. What is the current temperature in Key Biscayne today - 30 September 2026?
1. What is the current temperature in Key Biscayne today - 30 September 2026?
The current temperature in Key Biscayne is 27°C, with a feels-like temperature of 29°C. Today's forecast shows a high of 28°C and a low of 27°C, giving a 1 degree swing through the day as of 03:30 PM 30 September 2026.
2. What are the current weather parameters in Key Biscayne today?
2. What are the current weather parameters in Key Biscayne today?
Here is a complete overview of Key Biscayne's current weather conditions as of 03:30 PM 30 September 2026: Condition : Patchy rain nearby Temperature : 27°C Pleasant (Feels like 29°C) Humidity : 67% Wind Speed : 13 km/h from ESE (119 degrees), Gust 5.7 m/s UV Index : 1.3 (Low Air Pressure : 1016 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0.08 mm (81% chance of rain)
3. What is the 10-day weather forecast for Key Biscayne from 03:30 PM 30 September 2026?
3. What is the 10-day weather forecast for Key Biscayne from 03:30 PM 30 September 2026?
From 03:30 PM 30 September 2026, Key Biscayne's 10-day forecast shows this trend: Today (Sep. 30) : Temp. 27°C, Hum. 66% and Overcast condition. Thursday (Oct. 1) : Temp. 28°C, Hum. 73% and Rain Shower condition. Friday (Oct. 2) : Temp. 29°C, Hum. 71% and Patchy rain nearby condition. Saturday (Oct. 3) : Temp. 29°C, Hum. 72% and Patchy rain nearby condition. Sunday (Oct. 4) : Temp. 29°C, Hum. 68% and Patchy rain nearby condition. Monday (Oct. 5) : Temp. 29°C, Hum. 68% and Partly Cloudy condition. Tuesday (Oct. 6) : Temp. 29°C, Hum. 68% and Overcast condition. Wednesday (Oct. 7) : Temp. 29°C, Hum. 67% and Patchy rain nearby condition. Thursday (Oct. 8) : Temp. 28°C, Hum. 74% and Rain Showers condition. Friday (Oct. 9) : Temp. 27°C, Hum. 75% and Rain Showers condition.
4. Will it rain in Key Biscayne today?
4. Will it rain in Key Biscayne today?
As of 03:30 PM 30 September 2026, yes — Key Biscayne is currently experiencing rainfall with 0.08 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
5. What is the monthly weather forecast for Key Biscayne in September 2026?
5. What is the monthly weather forecast for Key Biscayne in September 2026?
September 2026 in Key Biscayne is forecast to have 9 sunny days, 12 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 25°C to highs of 33°C.
6. How does the weather in Key Biscayne affect air quality?
6. How does the weather in Key Biscayne affect air quality?
Weather directly impacts air quality in Key Biscayne. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
