S
M
T
W
T
F
S
26
81°
64°
27
77°
64°
28
82°
61°
29
90°
66°
30
N/A
31
82°
58°
1
81°
62°
2
84°
65°
3
74°
56°
4
71°
51°
5
75°
55°
6
79°
60°
7
78°
58°
8
79°
56°
9
78°
56°
10
78°
58°
11
77°
55°
12
76°
54°
13
71°
55°
14
71°
58°
15
76°
58°
16
76°
57°
17
75°
56°
18
76°
58°
19
79°
58°
20
79°
56°
21
69°
52°
22
68°
51°
23
68°
52°
24
69°
53°
25
71°
55°
26
76°
55°
27
77°
56°
28
78°
57°
29
77°
56°
30
76°
57°
31
75°
54°
1
69°
49°
2
65°
46°
3
66°
54°
4
76°
55°
5
76°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Roosevelt
Roosevelt's August 2026 forecast shows daily high temperatures ranging from 65° to 84°, with overnight lows between 46° and 65°. The average high for August is 75° with an average low of 56°. 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 Roosevelt. See also: September | October | November.