S
M
T
W
T
F
S
26
84°
64°
27
90°
70°
28
84°
61°
29
64°
55°
30
66°
54°
1
70°
52°
2
73°
46°
3
81°
48°
4
79°
55°
5
84°
54°
6
63°
50°
7
75°
46°
8
79°
50°
9
86°
70°
10
72°
59°
11
79°
55°
12
79°
52°
13
86°
57°
14
86°
64°
15
88°
68°
16
86°
72°
17
88°
73°
18
90°
75°
19
79°
61°
20
81°
59°
21
72°
64°
22
84°
66°
23
82°
64°
24
84°
64°
25
88°
64°
26
86°
66°
27
79°
64°
28
85°
64°
29
84°
68°
30
85°
68°
31
88°
69°
1
87°
65°
2
85°
61°
3
81°
62°
4
82°
63°
5
84°
63°
6
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fillmore
Fillmore's May 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 61° and 69°. The average high for May is 84° with an average low of 65°. 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 Fillmore. See also: June | July | August.
