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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
°C
Temperature Unit Selection
°Celsius
°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
Content continues below
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
19
20
22°
21
23°
22
23°
23
23°
24
23°
25
24°
26
25°
27
24°
28
24°
29
24°
30
24°
31
24°
Forecast
Friday, March 20, 2026
Day
22°
Feels 22
Wind
38 km/h NE
Gust
57 km/h
Humidity
66%
P.O.P
40%
Rain
<1 mm
Night
19°
Feels 19
Wind
33 km/h NE
Gust
50 km/h
Humidity
79%
P.O.P
10%
Historical Averages
Mar 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.