S
M
T
W
T
F
S
28
74°
53°
29
71°
54°
30
69°
55°
1
70°
54°
2
69°
54°
3
69°
55°
4
73°
55°
5
69°
53°
6
69°
55°
7
70°
56°
8
71°
57°
9
74°
57°
10
75°
56°
11
75°
54°
12
74°
55°
13
68°
54°
14
69°
55°
15
73°
55°
16
72°
54°
17
73°
56°
18
74°
55°
19
Hist. Avg.
71°
56°
20
Hist. Avg.
71°
56°
21
Hist. Avg.
71°
56°
22
Hist. Avg.
71°
56°
23
Hist. Avg.
71°
56°
24
Hist. Avg.
71°
56°
25
Hist. Avg.
71°
56°
26
Hist. Avg.
70°
56°
27
Hist. Avg.
70°
56°
28
Hist. Avg.
70°
56°
29
Hist. Avg.
70°
56°
30
Hist. Avg.
70°
56°
31
Hist. Avg.
70°
56°
1
Hist. Avg.
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Port Saint Johns
Port Saint Johns's July 2026 forecast shows daily high temperatures ranging from 68° to 75°, with overnight lows between 53° and 57°. The average high for July is 71° with an average low of 55°. 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 Saint Johns. See also: August | September | October.
