S
M
T
W
T
F
S
26
81°
55°
27
84°
55°
28
58°
47°
29
64°
43°
30
66°
40°
1
67°
42°
2
64°
42°
3
79°
40°
4
80°
61°
5
69°
44°
6
63°
41°
7
69°
39°
8
77°
50°
9
84°
47°
10
71°
42°
11
79°
39°
12
79°
48°
13
80°
48°
14
81°
46°
15
86°
65°
16
88°
70°
17
86°
69°
18
88°
66°
19
77°
54°
20
60°
51°
21
69°
57°
22
75°
60°
23
78°
57°
24
81°
54°
25
85°
55°
26
82°
58°
27
85°
64°
28
78°
69°
29
86°
68°
30
88°
66°
31
91°
65°
1
89°
68°
2
83°
61°
3
81°
59°
4
83°
64°
5
80°
65°
6
81°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Weir
Weir's May 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 59° and 68°. The average high for May is 83° with an average low of 64°. 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 Weir. See also: June | July | August.
