S
M
T
W
T
F
S
26
61°
44°
27
73°
42°
28
64°
46°
29
66°
50°
30
66°
50°
1
66°
47°
2
63°
52°
3
62°
47°
4
76°
49°
5
86°
61°
6
72°
59°
7
68°
52°
8
71°
50°
9
68°
54°
10
80°
52°
11
63°
54°
12
70°
47°
13
78°
55°
14
67°
54°
15
68°
53°
16
85°
54°
17
91°
64°
18
96°
68°
19
96°
69°
20
92°
59°
21
65°
50°
22
63°
50°
23
68°
55°
24
67°
56°
25
70°
57°
26
75°
59°
27
74°
57°
28
76°
60°
29
77°
56°
30
79°
60°
31
78°
61°
1
78°
60°
2
75°
59°
3
71°
61°
4
73°
62°
5
77°
59°
6
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Washington Township
Washington Township's May 2026 forecast shows daily high temperatures ranging from 63° to 96°, with overnight lows between 50° and 69°. 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 Washington Township. See also: June | July | August.