S
M
T
W
T
F
S
28
87°
71°
29
88°
69°
30
96°
75°
1
83°
65°
2
84°
72°
3
86°
72°
4
85°
71°
5
85°
72°
6
86°
72°
7
90°
73°
8
90°
73°
9
91°
72°
10
90°
73°
11
89°
72°
12
88°
73°
13
88°
72°
14
84°
71°
15
84°
72°
16
85°
70°
17
86°
66°
18
83°
68°
19
83°
67°
20
84°
66°
21
84°
66°
22
84°
67°
23
84°
66°
24
84°
68°
25
85°
69°
26
85°
72°
27
86°
66°
28
85°
65°
29
86°
69°
30
87°
67°
31
87°
70°
1
90°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Saint John
Saint John's July 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 65° and 75°. The average high for July is 86° with an average low of 70°. 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 Saint John. See also: August | September | October.
