S
M
T
W
T
F
S
31
93°
59°
1
98°
65°
2
99°
66°
3
102°
66°
4
103°
64°
5
104°
66°
6
98°
63°
7
92°
59°
8
91°
62°
9
94°
67°
10
100°
69°
11
101°
67°
12
104°
71°
13
105°
70°
14
104°
71°
15
96°
65°
16
99°
69°
17
99°
70°
18
100°
70°
19
100°
69°
20
99°
69°
21
100°
70°
22
101°
71°
23
101°
71°
24
100°
70°
25
101°
71°
26
100°
70°
27
101°
68°
28
99°
66°
29
98°
68°
30
101°
70°
1
102°
71°
2
102°
73°
3
101°
73°
4
102°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Barstow
Barstow's June 2026 forecast shows daily high temperatures ranging from 91° to 105°, with overnight lows between 59° and 73°. The average high for June is 100° with an average low of 68°. 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 Barstow. See also: July | August | September.
