S
M
T
W
T
F
S
31
77°
43°
1
76°
45°
2
79°
45°
3
76°
44°
4
77°
45°
5
75°
43°
6
76°
39°
7
73°
44°
8
74°
44°
9
75°
43°
10
77°
45°
11
78°
45°
12
79°
44°
13
81°
46°
14
81°
46°
15
77°
45°
16
80°
47°
17
81°
47°
18
77°
48°
19
80°
47°
20
82°
48°
21
83°
49°
22
84°
49°
23
83°
50°
24
84°
50°
25
84°
49°
26
83°
51°
27
84°
51°
28
83°
50°
29
77°
51°
30
80°
52°
1
82°
52°
2
84°
51°
3
85°
53°
4
86°
54°
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 73° to 86°, with overnight lows between 39° and 54°. The average high for June is 80° with an average low of 47°. 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.
