S
M
T
W
T
F
S
28
72°
50°
29
68°
51°
30
73°
49°
1
74°
49°
2
69°
56°
3
71°
56°
4
77°
55°
5
58°
44°
6
67°
44°
7
80°
52°
8
83°
53°
9
71°
52°
10
79°
53°
11
74°
49°
12
50°
45°
13
72°
45°
14
74°
56°
15
63°
55°
16
77°
56°
17
71°
51°
18
71°
52°
19
73°
52°
20
74°
53°
21
78°
54°
22
73°
54°
23
82°
69°
24
79°
64°
25
68°
53°
26
69°
53°
27
62°
53°
28
61°
54°
29
65°
55°
30
64°
54°
31
62°
54°
1
66°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. John's
St. John's's July 2026 forecast shows daily high temperatures ranging from 61° to 69°, with overnight lows between 53° and 55°. The average high for July is 64° with an average low of 54°. 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 St. John's. See also: August | September | October.
