S
M
T
W
T
F
S
28
81°
59°
29
80°
56°
30
77°
57°
1
78°
54°
2
78°
51°
3
72°
54°
4
75°
61°
5
78°
62°
6
82°
53°
7
76°
59°
8
79°
60°
9
83°
58°
10
81°
53°
11
78°
52°
12
76°
53°
13
79°
54°
14
81°
62°
15
80°
55°
16
81°
62°
17
80°
53°
18
Hist. Avg.
80°
60°
19
Hist. Avg.
79°
59°
20
Hist. Avg.
79°
59°
21
Hist. Avg.
79°
59°
22
Hist. Avg.
79°
59°
23
Hist. Avg.
79°
59°
24
Hist. Avg.
79°
59°
25
Hist. Avg.
79°
59°
26
Hist. Avg.
79°
59°
27
Hist. Avg.
79°
59°
28
Hist. Avg.
79°
59°
29
Hist. Avg.
78°
59°
30
Hist. Avg.
78°
59°
31
Hist. Avg.
78°
59°
1
Hist. Avg.
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Ottawa South
Ottawa South's July 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 51° and 62°. The average high for July is 79° 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 Ottawa South. See also: August | September | October.
