S
M
T
W
T
F
S
28
85°
52°
29
88°
55°
30
92°
58°
1
87°
55°
2
89°
55°
3
94°
57°
4
96°
59°
5
96°
60°
6
97°
59°
7
95°
60°
8
95°
61°
9
98°
65°
10
99°
64°
11
99°
66°
12
101°
69°
13
102°
72°
14
103°
71°
15
103°
70°
16
102°
67°
17
101°
66°
18
97°
63°
19
98°
67°
20
98°
67°
21
99°
68°
22
100°
68°
23
100°
69°
24
99°
69°
25
100°
68°
26
100°
68°
27
99°
67°
28
99°
67°
29
98°
66°
30
99°
68°
31
98°
69°
1
99°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Barstow
Barstow's July 2026 forecast shows daily high temperatures ranging from 95° to 103°, with overnight lows between 59° and 72°. The average high for July is 99° 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 July weather will actually feel in Barstow. See also: August | September | October.
