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7 Days
14 Days
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Monthly
°C
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°Fahrenheit
Monthly Historical Averages
Key Largo, FL
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March
Average Temperature
High
24°
Feels 26
Low
21°
Feels 21
Average Precipitation
7 Days
Rain amount
35.4mm
Snow amount
0cm
Daily Historical Averages
March 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
23°
19
24°
20
22°
21
23°
22
23°
23
24°
24
24°
25
24°
26
24°
27
24°
28
23°
29
23°
30
23°
31
23°
Forecast
Wednesday, March 18, 2026
Day
23°
Feels 23
Wind
35 km/h NE
Gust
53 km/h
Humidity
82%
P.O.P
40%
Rain
<1 mm
Night
20°
Feels 20
Wind
40 km/h N
Gust
60 km/h
Humidity
86%
P.O.P
70%
Rain
~1 mm
Historical Averages
Mar 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.