S
M
T
W
T
F
S
31
95°
66°
1
98°
68°
2
98°
69°
3
99°
70°
4
98°
63°
5
91°
65°
6
94°
65°
7
92°
66°
8
93°
65°
9
96°
66°
10
96°
65°
11
95°
64°
12
93°
64°
13
94°
66°
14
96°
69°
15
100°
71°
16
99°
71°
17
101°
73°
18
103°
73°
19
103°
74°
20
102°
73°
21
99°
71°
22
99°
69°
23
100°
70°
24
101°
71°
25
103°
73°
26
102°
70°
27
101°
70°
28
101°
69°
29
103°
71°
30
100°
68°
1
101°
69°
2
102°
69°
3
100°
67°
4
99°
68°
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 91° to 103°, with overnight lows between 63° and 74°. The average high for June is 98° with an average low of 69°. 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.
