S
M
T
W
T
F
S
26
77°
58°
27
72°
49°
28
69°
48°
29
82°
58°
30
76°
47°
1
69°
47°
2
66°
39°
3
71°
34°
4
80°
37°
5
80°
45°
6
74°
55°
7
80°
51°
8
72°
42°
9
79°
46°
10
85°
49°
11
67°
55°
12
74°
46°
13
80°
42°
14
71°
42°
15
78°
39°
16
87°
46°
17
91°
60°
18
91°
60°
19
92°
58°
20
90°
66°
21
81°
56°
22
67°
60°
23
75°
63°
24
77°
62°
25
79°
65°
26
77°
65°
27
78°
60°
28
77°
61°
29
80°
60°
30
79°
57°
31
82°
61°
1
83°
62°
2
84°
63°
3
83°
62°
4
78°
62°
5
78°
58°
6
82°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mortimer
Mortimer's May 2026 forecast shows daily high temperatures ranging from 67° to 92°, with overnight lows between 56° and 66°. The average high for May is 81° with an average low of 61°. 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 Mortimer. See also: June | July | August.