S
M
T
W
T
F
S
28
72°
50°
29
68°
51°
30
73°
49°
1
74°
49°
2
69°
56°
3
N/A
4
78°
55°
5
58°
45°
6
65°
45°
7
77°
55°
8
78°
55°
9
75°
55°
10
70°
55°
11
69°
49°
12
65°
52°
13
65°
52°
14
68°
54°
15
69°
53°
16
73°
55°
17
74°
61°
18
69°
56°
19
68°
53°
20
66°
56°
21
70°
56°
22
72°
57°
23
71°
56°
24
72°
56°
25
71°
57°
26
71°
57°
27
69°
56°
28
69°
57°
29
72°
57°
30
72°
56°
31
70°
57°
1
72°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in St. John's
St. John's's July 2026 forecast shows daily high temperatures ranging from 58° to 78°, with overnight lows between 45° and 61°. The average high for July is 70° with an average low of 55°. 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.
