S
M
T
W
T
F
S
28
72°
60°
29
76°
58°
30
79°
57°
1
77°
60°
2
82°
63°
3
82°
62°
4
79°
54°
5
81°
50°
6
73°
53°
7
74°
51°
8
Hist. Avg.
78°
58°
9
Hist. Avg.
79°
59°
10
Hist. Avg.
79°
59°
11
Hist. Avg.
79°
59°
12
Hist. Avg.
79°
59°
13
Hist. Avg.
79°
59°
14
Hist. Avg.
79°
59°
15
Hist. Avg.
80°
60°
16
Hist. Avg.
80°
60°
17
Hist. Avg.
80°
60°
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
Ottawa's July 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 50° and 63°. The average high for July is 78° with an average low of 57°. 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. See also: August | September | October.
