S
M
T
W
T
F
S
31
90°
77°
1
91°
78°
2
90°
75°
3
89°
77°
4
89°
77°
5
88°
76°
6
88°
75°
7
89°
76°
8
89°
78°
9
88°
77°
10
89°
78°
11
87°
76°
12
87°
76°
13
88°
77°
14
88°
76°
15
87°
78°
16
87°
77°
17
88°
76°
18
87°
76°
19
87°
77°
20
88°
75°
21
87°
76°
22
87°
76°
23
88°
77°
24
88°
77°
25
89°
76°
26
89°
77°
27
88°
75°
28
87°
76°
29
88°
77°
30
89°
76°
1
88°
77°
2
88°
77°
3
89°
76°
4
87°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Guayanilla
Guayanilla's June 2026 forecast shows daily high temperatures ranging from 87° to 91°, with overnight lows between 75° and 78°. The average high for June is 88° with an average low of 77°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Guayanilla. See also: July | August | September.
