S
M
T
W
T
F
S
31
77°
44°
1
81°
49°
2
77°
51°
3
83°
45°
4
88°
49°
5
91°
52°
6
90°
59°
7
92°
64°
8
80°
62°
9
83°
64°
10
86°
67°
11
98°
69°
12
96°
68°
13
93°
62°
14
94°
70°
15
82°
64°
16
80°
60°
17
81°
63°
18
82°
61°
19
87°
68°
20
83°
68°
21
87°
67°
22
85°
65°
23
86°
66°
24
81°
63°
25
83°
69°
26
86°
64°
27
80°
63°
28
81°
63°
29
81°
64°
30
82°
64°
1
84°
68°
2
89°
71°
3
89°
71°
4
85°
69°
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 80° to 98°, with overnight lows between 60° and 71°. The average high for June is 86° with an average low of 66°. 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.
