S
M
T
W
T
F
S
28
74°
50°
29
80°
48°
30
82°
48°
1
67°
55°
2
79°
56°
3
92°
60°
4
85°
60°
5
78°
53°
6
76°
46°
7
75°
55°
8
75°
50°
9
76°
57°
10
71°
58°
11
80°
51°
12
79°
50°
13
73°
57°
14
74°
56°
15
75°
54°
16
76°
54°
17
77°
54°
18
76°
56°
19
77°
54°
20
78°
55°
21
70°
57°
22
71°
57°
23
71°
56°
24
69°
57°
25
74°
57°
26
74°
56°
27
75°
57°
28
73°
58°
29
73°
58°
30
72°
57°
31
74°
56°
1
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Saint John Airport
Saint John Airport's July 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 50° and 58°. The average high for July is 74° with an average low of 56°. 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 Airport. See also: August | September | October.
