S
M
T
W
T
F
S
26
64°
50°
27
66°
51°
28
72°
47°
29
75°
47°
30
74°
48°
1
78°
50°
2
75°
51°
3
66°
56°
4
70°
55°
5
68°
47°
6
79°
51°
7
84°
55°
8
83°
54°
9
85°
55°
10
85°
57°
11
89°
58°
12
84°
56°
13
81°
57°
14
83°
56°
15
81°
54°
16
82°
55°
17
82°
54°
18
81°
52°
19
84°
56°
20
84°
56°
21
83°
55°
22
83°
56°
23
85°
57°
24
85°
57°
25
84°
56°
26
84°
56°
27
83°
55°
28
77°
56°
29
77°
55°
30
79°
55°
31
78°
56°
1
79°
57°
2
82°
56°
3
81°
57°
4
80°
57°
5
80°
56°
6
79°
54°
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 68° to 89°, with overnight lows between 47° and 58°. The average high for May is 82° 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 Fillmore. See also: June | July | August.
