S
M
T
W
T
F
S
29
76°
75°
30
82°
71°
31
82°
74°
1
82°
74°
2
82°
72°
3
83°
76°
4
83°
74°
5
83°
75°
6
83°
72°
7
86°
67°
8
81°
68°
9
81°
72°
10
79°
73°
11
78°
73°
12
80°
73°
13
80°
73°
14
81°
72°
15
81°
70°
16
81°
70°
17
84°
69°
18
85°
74°
19
87°
72°
20
87°
69°
21
79°
69°
22
80°
71°
23
80°
71°
24
83°
72°
25
83°
69°
26
87°
69°
27
86°
68°
28
84°
73°
29
85°
73°
30
84°
72°
1
84°
78°
2
83°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Key Largo
Key Largo's April 2026 forecast shows daily high temperatures ranging from 83° to 85°, with overnight lows between 72° and 78°. The average high for April is 84° with an average low of 75°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Key Largo. See also: May | June | July.
