S
M
T
W
T
F
S
26
67°
49°
27
69°
47°
28
77°
50°
29
80°
53°
30
80°
52°
1
80°
53°
2
81°
54°
3
77°
54°
4
75°
52°
5
76°
53°
6
80°
53°
7
79°
54°
8
74°
52°
9
73°
52°
10
73°
51°
11
74°
50°
12
75°
52°
13
75°
50°
14
76°
51°
15
77°
54°
16
76°
56°
17
74°
54°
18
76°
55°
19
77°
55°
20
80°
56°
21
84°
58°
22
86°
59°
23
85°
58°
24
86°
60°
25
87°
60°
26
88°
59°
27
88°
60°
28
87°
60°
29
87°
59°
30
86°
56°
31
81°
54°
1
79°
53°
2
81°
55°
3
81°
56°
4
84°
57°
5
87°
57°
6
88°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Gridley
Gridley's May 2026 forecast shows daily high temperatures ranging from 67° to 88°, with overnight lows between 47° and 60°. The average high for May is 80° with an average low of 55°. 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 Gridley. See also: June | July | August.
