S
M
T
W
T
F
S
26
66°
41°
27
68°
41°
28
59°
45°
29
66°
41°
30
72°
46°
1
72°
48°
2
68°
48°
3
63°
50°
4
63°
52°
5
59°
50°
6
57°
43°
7
59°
37°
8
64°
45°
9
70°
41°
10
55°
39°
11
55°
36°
12
59°
36°
13
57°
45°
14
55°
41°
15
54°
39°
16
55°
41°
17
57°
45°
18
58°
49°
19
62°
51°
20
66°
52°
21
71°
51°
22
78°
58°
23
76°
56°
24
80°
54°
25
77°
54°
26
74°
53°
27
76°
53°
28
75°
52°
29
74°
53°
30
73°
52°
31
61°
46°
1
60°
45°
2
61°
45°
3
63°
50°
4
64°
52°
5
66°
53°
6
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tongham
Tongham's May 2026 forecast shows daily high temperatures ranging from 58° to 80°, with overnight lows between 45° and 58°. The average high for May is 69° with an average low of 52°. 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 Tongham. See also: June | July | August.