Local weather forecast

Weather in Key Largo, FL

Updated 2026-09-26 13:15 local time · ZIP codes 33037

Patchy rain nearby
Now81°F

Patchy rain nearby

High / Low82° / 78°
Rain chance66%
Wind3 mph
Weather alerts

Active alerts

2
Coastal Flood Statement issued September 26 at 2:30AM EDT until September 27 at 1:00PM EDT by NWS Miami FL

* WHAT...For the Coastal Flood Statement, isolated minor coastal flooding expected. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...For the Coastal Flood Statement, through Sunday afternoon. For the High Rip Current Risk, through Sunday evening. * IMPACTS...Some water on low lying roads and property. Rip currents can sweep even the best swimmers away from shore into deeper water.

Safety instructions

Do not drive through flooded roadways. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Rip Current Statement issued September 26 at 2:30AM EDT until September 27 at 8:00PM EDT by NWS Miami FL

* WHAT...For the Coastal Flood Statement, isolated minor coastal flooding expected. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...Coastal Broward County and Coastal Miami Dade County. * WHEN...For the Coastal Flood Statement, through Sunday afternoon. For the High Rip Current Risk, through Sunday evening. * IMPACTS...Some water on low lying roads and property. Rip currents can sweep even the best swimmers away from shore into deeper water.

Safety instructions

Do not drive through flooded roadways. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Hourly

Next hours

NowPatchy rain nearby81°19% rain
2 PMPatchy rain nearby81°11% rain
3 PMPatchy rain nearby81°14% rain
4 PMPatchy rain nearby82°13% rain
5 PMPatchy rain nearby82°20% rain
6 PMPatchy rain nearby82°22% rain
7 PMPatchy rain nearby82°18% rain
8 PMPatchy rain nearby82°18% rain
9 PMLight rain shower82°27% rain
10 PMPatchy rain nearby81°18% rain
11 PMPatchy rain nearby81°16% rain
12 AMClear81°5% rain
Forecast

3-day weather forecast

Today2026-09-26
Patchy rain nearby
82° 78°Patchy rain nearby
Rain 66%Gust 15 mph
Tomorrow2026-09-27
Patchy rain nearby
82° 80°Patchy rain nearby
Rain 44%Gust 11 mph
Monday2026-09-28
Overcast
83° 80°Overcast
Rain 14%Gust 8 mph
Conditions

Weather details

Feels like85°F
Humidity68%
Pressure29.93 inHg
Visibility6 mi
Wind3 mph NNE
Wind gusts5 mph
Precipitation0.00 in
UV index9
Daylight

Sunrise, sunset and moon

Sunrise07:12 AM
Sunset07:14 PM
Moonrise07:11 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour4 PM · 82°F
Coolest hour5 AM · 80°F
Highest rain chance9 PM · 27%
Strongest gusts9 PM · 24 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 27%).

Light layers should work

It feels like 85°F with winds near 3 mph.

Best window: 2 PM

81°F, 11% rain chance and 0 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 24 mph.

Run with a few weather adjustments

Current temperature is 81°F, wind 3 mph, rain chance up to 27%.

Very strong UV protection needed

UV index is 9. Use shade, sunscreen, a hat and sunglasses.

Local weather characteristics in Key Largo

Florida is warm and humid for much of the year. Sea breezes drive frequent summer thunderstorms, while tropical systems and hurricanes are an important warm-season risk.

Key Largo is part of the South weather region. The forecast point is near 25.09°N latitude and 80.45°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Key Largo weather today

Patchy rain nearby and 81°F in Key Largo, FL. Today's high is 82°F with a 66% rain chance. Winds are around 3 mph with gusts near 5 mph. Relative humidity is 68%, pressure is 29.93 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Key Largo

Sunrise is at 07:12 AM and sunset is at 07:14 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 82°F and a low near 80°F. The maximum rain chance is 44%.

Nearby

Weather near Key Largo

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