S
M
T
W
T
F
S
31
83°
63°
1
83°
63°
2
84°
64°
3
85°
65°
4
85°
64°
5
84°
58°
6
77°
57°
7
79°
60°
8
79°
65°
9
85°
61°
10
89°
66°
11
87°
63°
12
88°
66°
13
89°
67°
14
89°
61°
15
84°
60°
16
83°
60°
17
85°
59°
18
85°
59°
19
84°
65°
20
87°
60°
21
83°
61°
22
84°
67°
23
84°
67°
24
88°
61°
25
84°
62°
26
84°
62°
27
85°
63°
28
85°
62°
29
84°
62°
30
85°
66°
1
87°
67°
2
89°
68°
3
91°
66°
4
90°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Frederick
Frederick's June 2026 forecast shows daily high temperatures ranging from 77° to 91°, with overnight lows between 57° and 68°. The average high for June is 85° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Frederick. See also: July | August | September.