Key Largo, FL Weather Forecast

Local 7-day forecast

91°
F

Slight Chance Showers And Thunderstorms

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

Thursday, July 16, 2026
Wind: 5 mph E
Thursday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 91. East wind around 5 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: Jul 15, 2026 6:11 AM EDT.

The active forecast window currently covers Jul 16 to Jul 21, 2026 for Key Largo, FL.

Page Snapshot

Page focus
city weather
Forecast window
Jul 16 to Jul 21, 2026
Latest sync
Jul 15, 2026 6:11 AM EDT
Forecast office
KEY
Source
NOAA / NWS
Next High
91°F
Thursday
Next Low
82°F
Thursday Night
Rain Outlook
9
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday Night

Daily Outlook

Today
Jul 16
Slight Chance Showers And Thunderstorms
91 °F
/ 82°F
Wind 5 mph
Fri
Jul 17
Slight Chance Showers And Thunderstorms
91 °F
/ 81°F
Wind 0 to 5 mph
Sat
Jul 18
Slight Chance Showers And Thunderstorms
91 °F
/ 83°F
Wind 5 mph
Sun
Jul 19
Sunny
88 °F
/ 83°F
Wind 10 mph
Mon
Jul 20
Slight Chance Rain Showers
88 °F
/ 83°F
Wind 5 to 10 mph
Tue
Jul 21
Slight Chance Rain Showers then Sunny
88 °F
Wind 10 mph

This Week in Key Largo

Thursday looks like the warmest upcoming period in Key Largo at 91 degrees F.

Friday Night is the coolest period ahead with temperatures near 81 degrees F.

The strongest winds are forecast for Saturday Night at about 5 to 10 mph SE.

Precipitation is mentioned in 9 upcoming forecast periods.

Forecast Details

Last updated
Jul 15, 2026 6:11 AM 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

Thursday Night
Jul 16
82°F
Slight Chance Showers And Thunderstorms
0 to 5 mph SE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 82. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.

Friday
Jul 17
91°F
Slight Chance Showers And Thunderstorms
0 to 5 mph SE

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

Friday Night
Jul 17
81°F
Slight Chance Showers And Thunderstorms
5 mph SE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 81. Chance of precipitation is 20%.

Saturday
Jul 18
91°F
Slight Chance Showers And Thunderstorms
5 mph SE

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%.

Saturday Night
Jul 18
83°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
5 to 10 mph SE

A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 83. Chance of precipitation is 20%.

Sunday
Jul 19
88°F
Sunny
10 mph S

Sunny, with a high near 88.

Sunday Night
Jul 19
83°F
Mostly Clear
5 to 10 mph S

Mostly clear, with a low around 83.

Monday
Jul 20
88°F
Slight Chance Rain Showers
5 to 10 mph S

A slight chance of rain showers after 8am. Sunny, with a high near 88.

Monday Night
Jul 20
83°F
Slight Chance Rain Showers
5 to 10 mph S

A slight chance of rain showers. Mostly clear, with a low around 83.

Tuesday
Jul 21
88°F
Slight Chance Rain Showers then Sunny
10 mph S

A slight chance of rain showers before 8am. Sunny, with a high near 88.

Detailed Forecast

Period Conditions Temp Wind
Thursday
Jul 16
Slight Chance Showers And Thunderstorms
91°F
5 mph
E
Thursday Night
Jul 16
Slight Chance Showers And Thunderstorms
82°F
0 to 5 mph
SE
Friday
Jul 17
Slight Chance Showers And Thunderstorms
91°F
0 to 5 mph
SE
Friday Night
Jul 17
Slight Chance Showers And Thunderstorms
81°F
5 mph
SE
Saturday
Jul 18
Slight Chance Showers And Thunderstorms
91°F
5 mph
SE
Saturday Night
Jul 18
Slight Chance Showers And Thunderstorms then Partly Cloudy
83°F
5 to 10 mph
SE
Sunday
Jul 19
Sunny
88°F
10 mph
S
Sunday Night
Jul 19
Mostly Clear
83°F
5 to 10 mph
S
Monday
Jul 20
Slight Chance Rain Showers
88°F
5 to 10 mph
S
Monday Night
Jul 20
Slight Chance Rain Showers
83°F
5 to 10 mph
S
Tuesday
Jul 21
Slight Chance Rain Showers then Sunny
88°F
10 mph
S
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.