S
M
T
W
T
F
S
26
106°
80°
27
109°
80°
28
108°
77°
29
109°
74°
30
108°
75°
31
111°
73°
1
113°
78°
2
114°
80°
3
112°
81°
4
113°
79°
5
111°
80°
6
111°
81°
7
110°
83°
8
111°
80°
9
110°
83°
10
106°
81°
11
102°
79°
12
103°
74°
13
97°
74°
14
99°
71°
15
99°
72°
16
103°
71°
17
105°
76°
18
107°
77°
19
108°
77°
20
107°
77°
21
107°
83°
22
109°
78°
23
110°
78°
24
108°
82°
25
108°
79°
26
108°
80°
27
107°
83°
28
109°
80°
29
104°
79°
30
102°
77°
31
100°
74°
1
95°
67°
2
95°
62°
3
95°
67°
4
95°
66°
5
95°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Barstow
Barstow's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Barstow. See also: September | October | November.
