Key Largo, FL Weather Forecast

Local 7-day forecast

86°

Slight Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Key Largo, FL in one place.

Thursday, October 15, 2026

Wind: 10 mph E

This Afternoon

A slight chance of showers and thunderstorms. Sunny, with a high near 86. East wind around 10 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Key Largo, FL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 5:19 PM EDT.

The active forecast window currently covers Oct 15 to Oct 21, 2026 for Key Largo, FL.

Page Snapshot

Page focus: city weather
Forecast window: Oct 15 to Oct 21, 2026
Latest sync: Oct 15, 2026 5:19 PM EDT
Forecast office: KEY
Source: NOAA / NWS

Next High

86°F

This Afternoon

Next Low

82°F

Tonight

Rain Outlook

Periods mentioning precipitation

Windiest

20 to 30 mph

Sunday Night

Daily Outlook

Today

Oct 15

Slight Chance Showers And Thunderstorms

86 °F

/ 82°F

Wind 10 mph

Fri

Oct 16

Chance Showers And Thunderstorms

86 °F

/ 81°F

Wind 5 to 10 mph

Sat

Oct 17

Showers And Thunderstorms Likely

85 °F

/ 78°F

Wind 0 to 5 mph

Sun

Oct 18

Showers And Thunderstorms

83 °F

/ 77°F

Wind 15 to 20 mph

Mon

Oct 19

Showers And Thunderstorms Likely

83 °F

/ 77°F

Wind 25 to 30 mph

Tue

Oct 20

Chance Showers And Thunderstorms

84 °F

/ 76°F

Wind 25 mph

Wed

Oct 21

Chance Showers And Thunderstorms

83 °F

/ 75°F

Wind 20 to 25 mph

This Week in Key Largo

This Afternoon looks like the warmest upcoming period in Key Largo at 86 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 75 degrees F.

The strongest winds are forecast for Sunday Night at about 20 to 30 mph NE.

Precipitation is mentioned in 14 upcoming forecast periods.

Forecast Details

Last updated: Oct 15, 2026 5:19 PM EDT
Coverage: 7 days
Time zone: America/New_York
Forecast office: KEY
Radar station: KAMX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight

Oct 15

82°F

Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms

10 to 15 mph E

A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly clear, with a low around 82. East wind 10 to 15 mph. Chance of precipitation is 30%.

Friday

Oct 16

86°F

Chance Showers And Thunderstorms

5 to 10 mph E

A chance of showers and thunderstorms. Mostly sunny, with a high near 86. East wind 5 to 10 mph. Chance of precipitation is 30%.

Friday Night

Oct 16

81°F

Showers And Thunderstorms Likely

5 mph E

Showers and thunderstorms likely. Mostly cloudy, with a low around 81. East wind around 5 mph. Chance of precipitation is 60%.

Saturday

Oct 17

85°F

Showers And Thunderstorms Likely

0 to 5 mph NE

Showers and thunderstorms likely. Partly sunny, with a high near 85. Northeast wind 0 to 5 mph. Chance of precipitation is 60%.

Saturday Night

Oct 17

78°F

Showers And Thunderstorms Likely

5 to 15 mph N

Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 70%.

Sunday

Oct 18

83°F

Showers And Thunderstorms

15 to 20 mph NE

Showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 80%.

Sunday Night

Oct 18

77°F

Showers And Thunderstorms

20 to 30 mph NE

Showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 80%.

Monday

Oct 19

83°F

Showers And Thunderstorms Likely

25 to 30 mph NE

Showers and thunderstorms likely. Mostly sunny, with a high near 83. Chance of precipitation is 60%.

Monday Night

Oct 19

77°F

Showers And Thunderstorms Likely

25 to 30 mph NE

Showers and thunderstorms likely. Partly cloudy, with a low around 77. Chance of precipitation is 60%.

Tuesday

Oct 20

84°F

Chance Showers And Thunderstorms

25 mph NE

A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 50%.

Tuesday Night

Oct 20

76°F

Chance Showers And Thunderstorms

20 to 25 mph NE

A chance of showers and thunderstorms. Mostly clear, with a low around 76. Chance of precipitation is 50%.

Wednesday

Oct 21

83°F

Chance Showers And Thunderstorms

20 to 25 mph NE

A chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 40%.

Wednesday Night

Oct 21

75°F

Chance Rain Showers

15 to 25 mph NE

A chance of rain showers. Mostly clear, with a low around 75. Chance of precipitation is 40%.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
This Afternoon Oct 15	Slight Chance Showers And Thunderstorms	86°F	10 mph E	A slight chance of showers and thunderstorms. Sunny, with a high near 86. East wind around 10 mph.
Tonight Oct 15	Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms	82°F	10 to 15 mph E	A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly clear, with...
Friday Oct 16	Chance Showers And Thunderstorms	86°F	5 to 10 mph E	A chance of showers and thunderstorms. Mostly sunny, with a high near 86. East wind 5 to 10 mph. Chance of precipitation...
Friday Night Oct 16	Showers And Thunderstorms Likely	81°F	5 mph E	Showers and thunderstorms likely. Mostly cloudy, with a low around 81. East wind around 5 mph. Chance of precipitation i...
Saturday Oct 17	Showers And Thunderstorms Likely	85°F	0 to 5 mph NE	Showers and thunderstorms likely. Partly sunny, with a high near 85. Northeast wind 0 to 5 mph. Chance of precipitation...
Saturday Night Oct 17	Showers And Thunderstorms Likely	78°F	5 to 15 mph N	Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 70%.
Sunday Oct 18	Showers And Thunderstorms	83°F	15 to 20 mph NE	Showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 80%.
Sunday Night Oct 18	Showers And Thunderstorms	77°F	20 to 30 mph NE	Showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 80%.
Monday Oct 19	Showers And Thunderstorms Likely	83°F	25 to 30 mph NE	Showers and thunderstorms likely. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Monday Night Oct 19	Showers And Thunderstorms Likely	77°F	25 to 30 mph NE	Showers and thunderstorms likely. Partly cloudy, with a low around 77. Chance of precipitation is 60%.
Tuesday Oct 20	Chance Showers And Thunderstorms	84°F	25 mph NE	A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Tuesday Night Oct 20	Chance Showers And Thunderstorms	76°F	20 to 25 mph NE	A chance of showers and thunderstorms. Mostly clear, with a low around 76. Chance of precipitation is 50%.
Wednesday Oct 21	Chance Showers And Thunderstorms	83°F	20 to 25 mph NE	A chance of showers and thunderstorms. Sunny, with a high near 83. Chance of precipitation is 40%.
Wednesday Night Oct 21	Chance Rain Showers	75°F	15 to 25 mph NE	A chance of rain showers. Mostly clear, with a low around 75. Chance of precipitation is 40%.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Key Largo.

Region Links

Monroe County weather

County forecast page

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Statewide weather overview

United States weather

National weather entry point

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.