S
M
T
W
T
F
S
26
64°
45°
27
75°
42°
28
74°
54°
29
57°
46°
30
54°
41°
1
48°
35°
2
45°
32°
3
60°
47°
4
73°
55°
5
71°
52°
6
57°
44°
7
50°
38°
8
54°
43°
9
60°
47°
10
66°
48°
11
62°
47°
12
62°
47°
13
67°
50°
14
70°
52°
15
66°
49°
16
75°
55°
17
76°
56°
18
75°
55°
19
72°
55°
20
77°
53°
21
73°
52°
22
69°
47°
23
65°
46°
24
67°
49°
25
68°
50°
26
68°
48°
27
69°
48°
28
69°
49°
29
70°
49°
30
70°
50°
31
75°
58°
1
71°
54°
2
72°
51°
3
73°
58°
4
74°
58°
5
76°
59°
6
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fresno
Fresno's May 2026 forecast shows daily high temperatures ranging from 45° to 81°, with overnight lows between 32° and 60°. The average high for May is 68° with an average low of 50°. 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 Fresno. See also: June | July | August.