S
M
T
W
T
F
S
26
57°
21°
27
61°
30°
28
63°
23°
29
66°
25°
30
73°
32°
1
79°
34°
2
77°
43°
3
79°
39°
4
79°
37°
5
79°
39°
6
81°
39°
7
77°
37°
8
72°
34°
9
79°
32°
10
77°
36°
11
79°
32°
12
88°
39°
13
N/A
14
67°
42°
15
64°
40°
16
54°
34°
17
58°
33°
18
63°
35°
19
68°
36°
20
74°
40°
21
76°
42°
22
69°
38°
23
71°
39°
24
71°
39°
25
69°
40°
26
68°
42°
27
68°
41°
28
64°
39°
29
67°
45°
30
63°
42°
31
71°
45°
1
73°
45°
2
70°
46°
3
68°
44°
4
63°
38°
5
62°
38°
6
63°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Fossil
Fossil's May 2026 forecast shows daily high temperatures ranging from 54° to 76°, with overnight lows between 33° and 46°. The average high for May is 67° with an average low of 40°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Fossil. See also: June | July | August.
