S
M
T
W
T
F
S
26
81°
55°
27
86°
59°
28
80°
56°
29
69°
51°
30
66°
45°
1
68°
43°
2
68°
40°
3
79°
38°
4
79°
60°
5
75°
49°
6
61°
43°
7
70°
38°
8
78°
43°
9
83°
51°
10
78°
55°
11
78°
47°
12
78°
45°
13
82°
47°
14
82°
65°
15
89°
67°
16
85°
67°
17
89°
69°
18
82°
66°
19
75°
61°
20
79°
62°
21
76°
59°
22
79°
58°
23
77°
58°
24
81°
63°
25
84°
64°
26
80°
58°
27
81°
62°
28
82°
63°
29
82°
62°
30
78°
61°
31
79°
62°
1
76°
63°
2
76°
63°
3
78°
64°
4
83°
64°
5
84°
65°
6
81°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thompson
Thompson's May 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 47° and 69°. The average high for May is 81° with an average low of 62°. 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 Thompson. See also: June | July | August.