S
M
T
W
T
F
S
31
79°
55°
1
78°
56°
2
79°
56°
3
80°
59°
4
80°
61°
5
81°
60°
6
79°
59°
7
81°
65°
8
80°
65°
9
78°
64°
10
79°
65°
11
79°
65°
12
77°
64°
13
81°
66°
14
83°
66°
15
83°
67°
16
82°
67°
17
83°
64°
18
76°
60°
19
78°
67°
20
80°
67°
21
78°
64°
22
77°
62°
23
78°
66°
24
79°
65°
25
83°
69°
26
84°
69°
27
85°
68°
28
87°
70°
29
87°
69°
30
82°
62°
1
78°
61°
2
79°
63°
3
80°
69°
4
81°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Pontiac
Pontiac's June 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 55° and 70°. The average high for June is 80° 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 Pontiac. See also: July | August | September.
