S
M
T
W
T
F
S
26
80°
53°
27
83°
62°
28
66°
54°
29
67°
48°
30
66°
41°
1
64°
43°
2
62°
44°
3
75°
42°
4
78°
57°
5
69°
47°
6
64°
44°
7
68°
40°
8
78°
49°
9
82°
56°
10
71°
53°
11
77°
45°
12
82°
51°
13
71°
46°
14
72°
54°
15
80°
67°
16
79°
64°
17
89°
68°
18
79°
65°
19
74°
57°
20
70°
57°
21
74°
56°
22
73°
54°
23
72°
55°
24
75°
57°
25
78°
61°
26
79°
58°
27
79°
62°
28
81°
63°
29
82°
60°
30
75°
57°
31
75°
57°
1
74°
55°
2
75°
56°
3
76°
59°
4
80°
64°
5
84°
65°
6
85°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Aviston
Aviston's May 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 46° and 68°. The average high for May is 77° with an average low of 59°. 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 Aviston. See also: June | July | August.
