S
M
T
W
T
F
S
28
65°
58°
29
68°
58°
30
72°
60°
1
83°
62°
2
81°
66°
3
84°
65°
4
75°
64°
5
66°
44°
6
75°
52°
7
80°
50°
8
79°
52°
9
75°
61°
10
75°
60°
11
70°
57°
12
67°
58°
13
69°
57°
14
71°
59°
15
71°
60°
16
72°
61°
17
74°
63°
18
73°
56°
19
72°
56°
20
71°
57°
21
72°
58°
22
72°
58°
23
73°
57°
24
72°
58°
25
72°
58°
26
73°
57°
27
72°
58°
28
77°
59°
29
76°
59°
30
76°
58°
31
72°
57°
1
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in River John
River John's July 2026 forecast shows daily high temperatures ranging from 66° to 80°, with overnight lows between 44° and 63°. The average high for July is 73° with an average low of 57°. 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 River John. See also: August | September | October.