S
M
T
W
T
F
S
26
103°
75°
27
106°
74°
28
104°
74°
29
102°
75°
30
104°
73°
31
105°
73°
1
98°
77°
2
100°
72°
3
103°
71°
4
105°
72°
5
103°
75°
6
102°
77°
7
103°
76°
8
100°
73°
9
99°
72°
10
102°
74°
11
105°
75°
12
103°
76°
13
103°
73°
14
103°
74°
15
102°
68°
16
98°
72°
17
99°
72°
18
102°
67°
19
105°
69°
20
104°
72°
21
103°
73°
22
104°
70°
23
104°
71°
24
107°
72°
25
106°
68°
26
101°
75°
27
98°
76°
28
101°
72°
29
102°
73°
30
102°
75°
31
103°
77°
1
101°
76°
2
103°
73°
3
103°
76°
4
102°
75°
5
103°
72°
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.
