S
M
T
W
T
F
S
26
57°
47°
27
70°
48°
28
67°
45°
29
67°
50°
30
73°
51°
1
70°
40°
2
62°
49°
3
65°
42°
4
78°
45°
5
86°
61°
6
71°
53°
7
63°
42°
8
69°
54°
9
74°
50°
10
79°
52°
11
63°
42°
12
66°
44°
13
69°
48°
14
70°
49°
15
77°
57°
16
73°
56°
17
72°
55°
18
75°
55°
19
79°
54°
20
72°
52°
21
70°
53°
22
69°
52°
23
70°
53°
24
71°
51°
25
72°
53°
26
75°
58°
27
76°
54°
28
77°
57°
29
79°
56°
30
80°
61°
31
81°
61°
1
75°
62°
2
81°
61°
3
81°
62°
4
82°
63°
5
83°
63°
6
82°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thornburg
Thornburg's May 2026 forecast shows daily high temperatures ranging from 63° to 83°, with overnight lows between 42° and 63°. The average high for May is 74° with an average low of 55°. 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 Thornburg. See also: June | July | August.
