Key Largo, FL Weather Forecast

Local 7-day forecast

86°
F

Slight Chance Showers And Thunderstorms

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

Saturday, May 30, 2026
Wind: 5 to 10 mph S
Saturday

A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 86. South wind 5 to 10 mph. Chance of precipitation is 20%.

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: May 28, 2026 10:10 PM EDT.

The active forecast window currently covers May 30 to Jun 4, 2026 for Key Largo, FL.

Page Snapshot

Page focus
city weather
Forecast window
May 30 to Jun 4, 2026
Latest sync
May 28, 2026 10:10 PM EDT
Forecast office
KEY
Source
NOAA / NWS
Next High
86°F
Saturday
Next Low
81°F
Saturday Night
Rain Outlook
11
Periods mentioning precipitation
Windiest
5 to 15 mph
Monday

Daily Outlook

Today
May 30
Slight Chance Showers And Thunderstorms
86 °F
/ 81°F
Wind 5 to 10 mph
Sun
May 31
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
86 °F
/ 80°F
Wind 5 to 10 mph
Mon
Jun 1
Chance Showers And Thunderstorms
86 °F
/ 80°F
Wind 5 to 15 mph
Tue
Jun 2
Chance Showers And Thunderstorms
86 °F
/ 80°F
Wind 5 to 15 mph
Wed
Jun 3
Chance Showers And Thunderstorms
86 °F
/ 80°F
Wind 10 mph
Thu
Jun 4
Chance Showers And Thunderstorms
86 °F
Wind 10 to 15 mph

This Week in Key Largo

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

Sunday Night is the coolest period ahead with temperatures near 80 degrees F.

The strongest winds are forecast for Monday at about 5 to 15 mph SW.

Precipitation is mentioned in 11 upcoming forecast periods.

Forecast Details

Last updated
May 28, 2026 10:10 PM EDT
Coverage
6 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

Saturday Night
May 30
81°F
Slight Chance Showers And Thunderstorms
5 to 10 mph S

A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 81. South wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday
May 31
86°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
5 to 10 mph S

A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 30%.

Sunday Night
May 31
80°F
Chance Showers And Thunderstorms
5 to 10 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 30%.

Monday
Jun 1
86°F
Chance Showers And Thunderstorms
5 to 15 mph SW

A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.

Monday Night
Jun 1
80°F
Chance Showers And Thunderstorms
10 to 15 mph W

A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 30%.

Tuesday
Jun 2
86°F
Chance Showers And Thunderstorms
5 to 15 mph W

A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 40%.

Tuesday Night
Jun 2
80°F
Chance Showers And Thunderstorms
10 to 15 mph W

A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 40%.

Wednesday
Jun 3
86°F
Chance Showers And Thunderstorms
10 mph E

A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.

Wednesday Night
Jun 3
80°F
Chance Showers And Thunderstorms
10 mph E

A chance of showers and thunderstorms. Mostly cloudy, with a low around 80. Chance of precipitation is 50%.

Thursday
Jun 4
86°F
Chance Showers And Thunderstorms
10 to 15 mph E

A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 50%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
May 30
Slight Chance Showers And Thunderstorms
86°F
5 to 10 mph
S
Saturday Night
May 30
Slight Chance Showers And Thunderstorms
81°F
5 to 10 mph
S
Sunday
May 31
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
86°F
5 to 10 mph
S
Sunday Night
May 31
Chance Showers And Thunderstorms
80°F
5 to 10 mph
SW
Monday
Jun 1
Chance Showers And Thunderstorms
86°F
5 to 15 mph
SW
Monday Night
Jun 1
Chance Showers And Thunderstorms
80°F
10 to 15 mph
W
Tuesday
Jun 2
Chance Showers And Thunderstorms
86°F
5 to 15 mph
W
Tuesday Night
Jun 2
Chance Showers And Thunderstorms
80°F
10 to 15 mph
W
Wednesday
Jun 3
Chance Showers And Thunderstorms
86°F
10 mph
E
Wednesday Night
Jun 3
Chance Showers And Thunderstorms
80°F
10 mph
E
Thursday
Jun 4
Chance Showers And Thunderstorms
86°F
10 to 15 mph
E
Key-largo-harbor-3
Key-largo-harbor-3 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.