S
M
T
W
T
F
S
26
84°
66°
27
84°
71°
28
81°
68°
29
72°
63°
30
69°
58°
1
65°
55°
2
72°
50°
3
77°
46°
4
83°
63°
5
82°
66°
6
68°
55°
7
66°
53°
8
73°
59°
9
80°
62°
10
80°
64°
11
77°
62°
12
82°
64°
13
84°
66°
14
84°
62°
15
83°
64°
16
85°
68°
17
81°
61°
18
78°
66°
19
80°
67°
20
79°
67°
21
82°
62°
22
78°
60°
23
77°
60°
24
78°
61°
25
77°
61°
26
78°
62°
27
78°
61°
28
79°
62°
29
80°
65°
30
83°
69°
31
82°
70°
1
81°
69°
2
82°
66°
3
82°
70°
4
83°
70°
5
82°
71°
6
82°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Watson
Watson's May 2026 forecast shows daily high temperatures ranging from 66° to 85°, with overnight lows between 53° and 71°. The average high for May is 80° with an average low of 64°. 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 Watson. See also: June | July | August.