10-day forecast for Key Largo, FL: 84° to 89°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Friday, August 14
86° · 0.46 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 85°0.03
Morning86°feels 95°
Afternoon87°feels 98°
Evening86°feels 95°
Overnight85°feels 93°
87 °
Key Largo, Monday, 10 August
Light rain. High 87°, low 85°.
Pressure30.12 inHg
Wind11.8 mph E
Humidity71%
Visibility6.2 mi
Dew point76°
Tue, 1186° / 85°0
Morning85°feels 94°
Afternoon86°feels 93°
Evening86°feels 95°
Overnight86°feels 96°
86 °
Key Largo, Tuesday, 11 August
Mostly clear. High 86°, low 85°.
Pressure30.12 inHg
Wind11.4 mph E
Humidity66%
Visibility6.2 mi
Dew point73°
Wed, 1286° / 85°0.01
Morning85°feels 93°
Afternoon85°feels 93°
Evening85°feels 91°
Overnight85°feels 95°
86 °
Key Largo, Wednesday, 12 August
Light rain. High 86°, low 85°.
Pressure30.06 inHg
Wind8.1 mph SE
Humidity69%
Visibility6.2 mi
Dew point74°
Thu, 1386° / 84°0.01
Morning85°feels 93°
Afternoon86°feels 94°
Evening86°feels 93°
Overnight84°feels 91°
86 °
Key Largo, Thursday, 13 August
Light rain. High 86°, low 84°.
Pressure30.06 inHg
Wind10.6 mph SE
Humidity67%
Visibility—
Dew point74°
Fri, 1487° / 85°0
Morning86°feels 94°
Afternoon86°feels 95°
Evening86°feels 96°
Overnight86°feels 96°
87 °
Key Largo, Friday, 14 August
Overcast. High 87°, low 85°.
Pressure30.12 inHg
Wind19 mph E
Humidity68%
Visibility—
Dew point74°
Sat, 1586° / 85°0.46
Morning85°feels 94°
Afternoon86°feels 93°
Evening86°feels 94°
Overnight85°feels 95°
86 °
Key Largo, Saturday, 15 August
Rain. High 86°, low 85°.
Pressure30.15 inHg
Wind18.2 mph SE
Humidity65%
Visibility—
Dew point73°
Sun, 1686° / 85°0
Morning86°feels 92°
Afternoon86°feels 91°
Evening85°feels 90°
Overnight85°feels 90°
86 °
Key Largo, Sunday, 16 August
Partly cloudy. High 86°, low 85°.
Pressure30.09 inHg
Wind13.3 mph SE
Humidity62%
Visibility—
Dew point71°
Mon, 1786° / 84°0.13
Morning85°feels 90°
Afternoon86°feels 92°
Evening85°feels 92°
Overnight84°feels 91°
86 °
Key Largo, Monday, 17 August
Light rain. High 86°, low 84°.
Pressure30.03 inHg
Wind8.8 mph S
Humidity64%
Visibility—
Dew point72°
Tue, 1886° / 84°0.01
Morning85°feels 91°
Afternoon85°feels 92°
Evening85°feels 92°
Overnight85°feels 92°
86 °
Key Largo, Tuesday, 18 August
Light rain. High 86°, low 84°.
Pressure30.00 inHg
Wind11.8 mph S
Humidity67%
Visibility—
Dew point73°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Key Largo, FL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.