S
M
T
W
T
F
S
26
52°
39°
27
63°
43°
28
53°
48°
29
55°
48°
30
59°
38°
1
60°
35°
2
53°
40°
3
57°
35°
4
70°
47°
5
79°
58°
6
64°
49°
7
64°
47°
8
62°
39°
9
63°
49°
10
68°
50°
11
58°
45°
12
64°
41°
13
64°
48°
14
53°
46°
15
65°
44°
16
85°
62°
17
87°
63°
18
96°
69°
19
98°
70°
20
88°
58°
21
63°
49°
22
63°
47°
23
73°
55°
24
76°
57°
25
76°
56°
26
77°
58°
27
78°
56°
28
79°
57°
29
78°
55°
30
80°
60°
31
79°
59°
1
79°
59°
2
76°
60°
3
73°
60°
4
77°
59°
5
75°
56°
6
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thurmont
Thurmont's May 2026 forecast shows daily high temperatures ranging from 63° to 98°, with overnight lows between 47° and 70°. The average high for May is 79° with an average low of 58°. 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 Thurmont. See also: June | July | August.
