S
M
T
W
T
F
S
31
69°
36°
1
71°
41°
2
77°
43°
3
76°
42°
4
71°
42°
5
75°
41°
6
77°
41°
7
81°
44°
8
82°
43°
9
73°
38°
10
73°
38°
11
76°
41°
12
78°
45°
13
80°
44°
14
79°
41°
15
80°
40°
16
83°
43°
17
84°
41°
18
84°
41°
19
83°
43°
20
85°
49°
21
86°
50°
22
86°
49°
23
87°
48°
24
87°
51°
25
86°
50°
26
87°
51°
27
87°
51°
28
88°
50°
29
86°
51°
30
84°
50°
1
86°
50°
2
85°
51°
3
84°
49°
4
83°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Flagstaff
Flagstaff's June 2026 forecast shows daily high temperatures ranging from 69° to 88°, with overnight lows between 36° and 51°. The average high for June is 81° with an average low of 45°. 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 Flagstaff. See also: July | August | September.
