S
M
T
W
T
F
S
31
90°
54°
1
93°
57°
2
93°
55°
3
95°
55°
4
95°
55°
5
97°
61°
6
86°
55°
7
91°
48°
8
86°
54°
9
88°
61°
10
99°
59°
11
100°
64°
12
102°
64°
13
102°
63°
14
91°
57°
15
97°
57°
16
97°
59°
17
95°
57°
18
88°
57°
19
81°
54°
20
86°
53°
21
91°
58°
22
94°
57°
23
93°
61°
24
94°
61°
25
98°
63°
26
97°
64°
27
90°
58°
28
94°
61°
29
93°
62°
30
94°
61°
1
93°
60°
2
92°
61°
3
92°
61°
4
94°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fallbrook
Fallbrook's June 2026 forecast shows daily high temperatures ranging from 81° to 98°, with overnight lows between 53° and 64°. The average high for June is 93° with an average low of 59°. 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 Fallbrook. See also: July | August | September.
