S
M
T
W
T
F
S
26
60°
39°
27
69°
37°
28
66°
39°
29
64°
41°
30
54°
45°
1
61°
39°
2
57°
43°
3
54°
38°
4
70°
39°
5
77°
49°
6
64°
51°
7
60°
41°
8
57°
43°
9
61°
45°
10
69°
49°
11
58°
45°
12
62°
38°
13
65°
45°
14
63°
48°
15
64°
47°
16
76°
45°
17
86°
57°
18
N/A
19
96°
69°
20
95°
52°
21
69°
44°
22
65°
47°
23
59°
46°
24
62°
48°
25
71°
51°
26
72°
52°
27
75°
51°
28
75°
52°
29
74°
53°
30
75°
54°
31
76°
50°
1
73°
52°
2
69°
50°
3
68°
49°
4
69°
54°
5
73°
54°
6
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Watertown Town
Watertown Town's May 2026 forecast shows daily high temperatures ranging from 59° to 96°, with overnight lows between 44° and 69°. The average high for May is 73° 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 Watertown Town. See also: June | July | August.