S
M
T
W
T
F
S
28
96°
79°
29
98°
79°
30
96°
74°
1
96°
75°
2
96°
74°
3
97°
74°
4
97°
75°
5
97°
73°
6
97°
75°
7
99°
74°
8
99°
74°
9
97°
75°
10
96°
74°
11
89°
75°
12
97°
77°
13
93°
75°
14
78°
72°
15
83°
74°
16
89°
77°
17
91°
75°
18
92°
74°
19
94°
74°
20
94°
75°
21
96°
74°
22
95°
76°
23
96°
75°
24
96°
75°
25
97°
76°
26
96°
76°
27
97°
77°
28
98°
74°
29
97°
76°
30
98°
77°
31
98°
77°
1
98°
77°
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 98°, with overnight lows between 74° and 77°. The average high for July is 95° with an average low of 76°. 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.
