New York, NY 21° Los Angeles, CA 16° Chicago, IL 24° Houston, TX 26° Miami, FL 27° Phoenix, AZ 28° Seattle, WA 12° Denver, CO 22° Toronto, ON 18° Vancouver, BC 12°
WeatherLiveFloridaKey Largo

Key Largo, FL Weather (33037)

Current WeatherKey Largo · 7:29 AM EDT
33° | 28°
28°C
Feels like 32°
Partly cloudy
WindS 7 mph · Gusts 7 mph
Precip39% · 0.02 in
Humidity72% · Dew point 23°
UV index11 Extreme
Air Quality27 Good
Pressure29.94 inHg
Visibility6 mi
Sunrise / Sunset7:03 AM · 7:38 PM · 12h 35m

Weather map — Key Largo

Full radar →
Now
28°
18%
7 mph
08:00
29°
20%
6 mph
09:00
31°
17%
5 mph
10:00
31°
17%
4 mph
11:00
32°
18%
4 mph
12:00
33°
17%
4 mph
13:00
30°
13%
4 mph
14:00
30°
5%
3 mph
15:00
30°
5%
3 mph
16:00
30°
7%
3 mph
17:00
30°
12%
3 mph
18:00
30°
17%
3 mph
19:00
30°
17%
4 mph
20:00
30°
17%
4 mph
21:00
30°
9%
5 mph
22:00
30°
13%
7 mph
23:00
30°
18%
9 mph
00:00
30°
18%
9 mph
01:00
30°
18%
8 mph
02:00
30°
19%
9 mph
03:00
30°
26%
11 mph
04:00
30°
21%
11 mph
05:00
30°
19%
10 mph
06:00
30°
23%
10 mph

Today · Thu 9/3

High 33°
39% / 0.02 in

Showers. Winds E at 9 mph.

Overnight · Thu 9/3

Low 29°
— / –

Showers.

Tomorrow · Fri 9/4

30° | 30°
76% / 0.15 in

Mostly cloudy. Winds E at 13 mph.

7-day trend

Key Largo · temperature + precipitation

10-day forecast

Updated 7:29 AM

Details & indices

Wind
7 mph S
Gusts 7 mph
Humidity
72%
Dew point 23°
Pressure
29.94 inHg
Rising
UV index
11 — Extreme
High today
Air Quality
Good
AQI 27 · US EPA
Allergy
Very high
Ragweed
Visibility
6 mi
Clear view
Allergy — Key Largo

🌿 Conditions right now

View all →
Birch
None
Grass
Moderate
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
High

Sun & moon

Sunrise7:03 AM
Sunset7:38 PM
Length of day12h 35m
Moonrise
Moonset1:23 PM
Next full moonSep 26 Harvest Moon
Latitude25.0865°N
Longitude-80.4473°E

Water temps nearby

View all →
Key Largo (0 mi)89°
South Beach, Miami Beach (52 mi)89°
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Fair
Line-drying weather
Grilling
Great
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
Jacksonville
Fog
26°
Miami
Sunny
27°
Tampa
Heavy rain
26°
Orlando
Rain
25°
St. Petersburg
Heavy rain
25°
Hialeah
Partly cloudy
26°
Data sources · Thursday, September 3
Where the Key Largo forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 25.0865°N, -80.4473°.
NBM + global weather models
Updated: 7:29 AM
Weather in Key Largo
Over the next 10 days Key Largo tops out around 33° (Thursday) and dips to 28° on the coolest night (Thursday). Roughly 1.3 in of rain falls over the period, with Tuesday the most likely wet day (78%). Expect a blustery spell — gusts near 27 mph on Tuesday. No watches or warnings are active for the area right now. Right now Key Largo is running about 58° warmer than Cape Coral. Longer view: wet-summer, dry-winter Florida rhythm, with hurricane season June–November.
Key Largo, FL · Elev 7 ft · 25.09°N, 80.45°W · Florida · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 7:29 AM