S
M
T
W
T
F
S
31
91°
64°
1
94°
70°
2
95°
71°
3
98°
75°
4
100°
73°
5
101°
74°
6
96°
72°
7
92°
70°
8
91°
66°
9
94°
68°
10
99°
71°
11
102°
79°
12
104°
78°
13
103°
77°
14
102°
75°
15
100°
73°
16
105°
82°
17
101°
78°
18
100°
75°
19
95°
71°
20
96°
68°
21
97°
67°
22
99°
71°
23
103°
73°
24
100°
82°
25
100°
78°
26
96°
73°
27
90°
71°
28
90°
62°
29
92°
63°
30
93°
65°
1
94°
65°
2
97°
64°
3
96°
69°
4
99°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Fort Irwin
Fort Irwin's June 2026 forecast shows daily high temperatures ranging from 90° to 99°, with overnight lows between 62° and 71°. The average high for June is 94° with an average low of 66°. 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 Fort Irwin. See also: July | August | September.
