S
M
T
W
T
F
S
28
64°
42°
29
59°
43°
30
58°
44°
1
52°
45°
2
50°
48°
3
57°
48°
4
51°
43°
5
54°
45°
6
67°
47°
7
63°
46°
8
52°
45°
9
62°
45°
10
66°
46°
11
50°
45°
12
49°
44°
13
53°
43°
14
52°
44°
15
55°
46°
16
55°
45°
17
54°
46°
18
55°
45°
19
58°
48°
20
55°
46°
21
56°
45°
22
55°
45°
23
57°
49°
24
58°
49°
25
56°
48°
26
56°
49°
27
57°
48°
28
57°
50°
29
58°
50°
30
57°
48°
31
57°
50°
1
56°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Port William
Port William's July 2026 forecast shows daily high temperatures ranging from 49° to 67°, with overnight lows between 43° and 50°. The average high for July is 57° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Port William. See also: August | September | October.
