S
M
T
W
T
F
S
26
60°
43°
27
73°
41°
28
70°
50°
29
64°
47°
30
51°
42°
1
58°
35°
2
51°
34°
3
57°
45°
4
69°
55°
5
75°
57°
6
65°
46°
7
55°
39°
8
56°
41°
9
61°
47°
10
65°
47°
11
68°
51°
12
69°
53°
13
68°
50°
14
67°
52°
15
72°
54°
16
67°
52°
17
68°
54°
18
72°
57°
19
74°
57°
20
74°
58°
21
77°
58°
22
77°
59°
23
78°
58°
24
75°
55°
25
70°
52°
26
76°
59°
27
78°
60°
28
76°
59°
29
76°
59°
30
73°
56°
31
75°
58°
1
72°
58°
2
73°
57°
3
73°
52°
4
71°
52°
5
72°
53°
6
72°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Monessen
Monessen's May 2026 forecast shows daily high temperatures ranging from 51° to 78°, with overnight lows between 34° and 60°. The average high for May is 70° with an average low of 53°. 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 Monessen. See also: June | July | August.
