S
M
T
W
T
F
S
26
69°
43°
27
68°
44°
28
70°
45°
29
69°
46°
30
64°
46°
1
67°
45°
2
70°
46°
3
71°
47°
4
72°
48°
5
73°
49°
6
73°
48°
7
67°
47°
8
70°
45°
9
62°
47°
10
63°
48°
11
74°
49°
12
74°
49°
13
75°
51°
14
77°
53°
15
78°
53°
16
74°
52°
17
73°
52°
18
75°
50°
19
69°
45°
20
68°
46°
21
67°
48°
22
68°
49°
23
79°
54°
24
80°
55°
25
79°
55°
26
78°
56°
27
80°
57°
28
83°
54°
29
81°
52°
30
73°
47°
31
74°
55°
1
82°
56°
2
83°
55°
3
83°
54°
4
84°
46°
5
74°
46°
6
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Interior
Interior's May 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 43° and 57°. The average high for May is 73° with an average low of 50°. 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 Interior. See also: June | July | August.
