S
M
T
W
T
F
S
26
86°
73°
27
89°
75°
28
87°
76°
29
81°
61°
30
66°
59°
1
61°
51°
2
77°
47°
3
80°
50°
4
84°
62°
5
86°
71°
6
76°
60°
7
67°
57°
8
80°
59°
9
92°
71°
10
89°
63°
11
81°
63°
12
84°
59°
13
89°
60°
14
90°
64°
15
89°
70°
16
88°
71°
17
87°
76°
18
91°
78°
19
83°
68°
20
80°
70°
21
79°
69°
22
85°
69°
23
79°
67°
24
83°
67°
25
83°
68°
26
84°
70°
27
85°
71°
28
85°
70°
29
85°
69°
30
86°
68°
31
87°
67°
1
86°
71°
2
90°
71°
3
86°
68°
4
85°
65°
5
86°
67°
6
87°
71°
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 79° to 90°, with overnight lows between 65° and 71°. The average high for May is 84° with an average low of 69°. 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.
