S
M
T
W
T
F
S
26
56°
38°
27
54°
35°
28
61°
38°
29
58°
37°
30
49°
33°
1
N/A
2
73°
43°
3
78°
43°
4
71°
38°
5
41°
32°
6
53°
39°
7
74°
46°
8
75°
49°
9
74°
47°
10
74°
48°
11
69°
47°
12
70°
46°
13
73°
48°
14
74°
44°
15
66°
41°
16
67°
39°
17
67°
40°
18
69°
40°
19
70°
41°
20
71°
45°
21
68°
44°
22
69°
41°
23
69°
41°
24
64°
42°
25
66°
40°
26
67°
41°
27
70°
40°
28
71°
41°
29
78°
45°
30
80°
51°
31
75°
51°
1
78°
50°
2
79°
48°
3
80°
49°
4
83°
50°
5
80°
51°
6
83°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Frederick
Frederick's May 2026 forecast shows daily high temperatures ranging from 41° to 83°, with overnight lows between 32° and 53°. The average high for May is 71° with an average low of 44°. 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 Frederick. See also: June | July | August.
