S
M
T
W
T
F
S
31
77°
44°
1
81°
53°
2
76°
49°
3
81°
52°
4
88°
57°
5
94°
63°
6
92°
65°
7
91°
67°
8
88°
66°
9
86°
67°
10
86°
68°
11
89°
68°
12
87°
64°
13
84°
65°
14
85°
63°
15
84°
61°
16
76°
61°
17
77°
62°
18
79°
62°
19
80°
63°
20
81°
66°
21
82°
67°
22
80°
67°
23
81°
69°
24
81°
68°
25
82°
65°
26
81°
67°
27
88°
69°
28
87°
70°
29
82°
66°
30
83°
64°
1
81°
64°
2
82°
67°
3
84°
70°
4
88°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Manassas
Manassas's June 2026 forecast shows daily high temperatures ranging from 76° to 94°, with overnight lows between 49° and 71°. The average high for June is 84° with an average low of 64°. 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 Manassas. See also: July | August | September.
