S
M
T
W
T
F
S
26
65°
51°
27
71°
48°
28
77°
44°
29
82°
46°
30
87°
49°
1
90°
51°
2
94°
54°
3
77°
52°
4
70°
57°
5
72°
53°
6
82°
53°
7
91°
56°
8
91°
55°
9
91°
57°
10
94°
62°
11
103°
67°
12
105°
65°
13
94°
63°
14
93°
61°
15
90°
61°
16
89°
60°
17
87°
58°
18
86°
59°
19
87°
56°
20
82°
54°
21
83°
56°
22
83°
58°
23
88°
61°
24
91°
61°
25
91°
60°
26
90°
61°
27
91°
61°
28
90°
60°
29
91°
62°
30
93°
63°
31
94°
64°
1
94°
64°
2
93°
63°
3
93°
64°
4
88°
63°
5
87°
63°
6
88°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Coalinga
Coalinga's May 2026 forecast shows daily high temperatures ranging from 82° to 105°, with overnight lows between 53° and 67°. The average high for May is 90° with an average low of 60°. 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 Coalinga. See also: June | July | August.