S
M
T
W
T
F
S
26
83°
48°
27
70°
48°
28
81°
43°
29
79°
45°
30
80°
44°
31
83°
43°
1
85°
44°
2
78°
42°
3
69°
41°
4
71°
32°
5
74°
34°
6
78°
36°
7
80°
38°
8
80°
40°
9
80°
43°
10
80°
40°
11
79°
40°
12
74°
46°
13
63°
40°
14
58°
41°
15
60°
39°
16
70°
39°
17
68°
45°
18
69°
44°
19
73°
38°
20
80°
38°
21
83°
42°
22
74°
50°
23
73°
42°
24
75°
40°
25
74°
46°
26
82°
46°
27
83°
49°
28
72°
50°
29
69°
38°
30
70°
36°
31
74°
42°
1
75°
39°
2
76°
41°
3
77°
39°
4
77°
40°
5
73°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Fossil Forest
Fossil Forest's August 2026 forecast shows daily high temperatures ranging from 69° to 83°, with overnight lows between 36° and 50°. The average high for August is 75° with an average low of 42°. 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 Fossil Forest. See also: September | October | November.
