S
M
T
W
T
F
S
26
61°
47°
27
76°
43°
28
72°
56°
29
61°
47°
30
57°
41°
1
53°
35°
2
49°
31°
3
61°
32°
4
73°
47°
5
71°
49°
6
59°
43°
7
59°
38°
8
67°
44°
9
72°
53°
10
65°
49°
11
68°
39°
12
71°
43°
13
67°
47°
14
63°
45°
15
68°
38°
16
77°
55°
17
84°
58°
18
88°
66°
19
88°
65°
20
68°
51°
21
68°
51°
22
61°
51°
23
77°
60°
24
72°
57°
25
76°
61°
26
79°
57°
27
75°
63°
28
77°
54°
29
80°
54°
30
75°
47°
31
77°
50°
1
76°
50°
2
77°
48°
3
77°
54°
4
82°
60°
5
83°
63°
6
79°
61°
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 75° to 83°, with overnight lows between 47° and 63°. The average high for May is 78° with an average low of 54°. 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.