S
M
T
W
T
F
S
28
75°
54°
29
70°
46°
30
72°
57°
1
77°
54°
2
79°
59°
3
75°
48°
4
81°
57°
5
82°
59°
6
86°
55°
7
86°
52°
8
88°
59°
9
87°
66°
10
85°
65°
11
85°
62°
12
86°
62°
13
83°
65°
14
81°
65°
15
84°
65°
16
80°
64°
17
76°
62°
18
75°
59°
19
77°
60°
20
76°
59°
21
75°
58°
22
72°
57°
23
71°
56°
24
69°
56°
25
69°
58°
26
70°
58°
27
69°
57°
28
71°
57°
29
71°
54°
30
73°
57°
31
73°
58°
1
72°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Portchester
Portchester's July 2026 forecast shows daily high temperatures ranging from 69° to 87°, with overnight lows between 54° and 66°. The average high for July is 76° with an average low of 60°. 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 Portchester. See also: August | September | October.
