S
M
T
W
T
F
S
26
54°
40°
27
68°
37°
28
57°
50°
29
54°
50°
30
54°
40°
1
55°
33°
2
48°
34°
3
59°
36°
4
75°
42°
5
77°
54°
6
62°
41°
7
61°
38°
8
59°
46°
9
63°
45°
10
72°
49°
11
55°
34°
12
60°
41°
13
63°
46°
14
68°
45°
15
73°
48°
16
68°
45°
17
65°
43°
18
68°
47°
19
73°
46°
20
66°
42°
21
67°
43°
22
67°
43°
23
68°
45°
24
68°
43°
25
69°
45°
26
71°
47°
27
70°
45°
28
72°
46°
29
71°
45°
30
75°
49°
31
79°
55°
1
74°
53°
2
76°
48°
3
79°
55°
4
81°
57°
5
80°
57°
6
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Orviston
Orviston's May 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 34° and 57°. The average high for May is 69° with an average low of 47°. 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 Orviston. See also: June | July | August.
