S
M
T
W
T
F
S
28
70°
52°
29
71°
54°
30
74°
60°
1
73°
57°
2
72°
56°
3
74°
53°
4
77°
58°
5
80°
63°
6
82°
63°
7
82°
65°
8
81°
65°
9
82°
63°
10
77°
66°
11
82°
61°
12
78°
55°
13
76°
52°
14
72°
55°
15
74°
55°
16
76°
60°
17
78°
55°
18
76°
57°
19
79°
55°
20
72°
54°
21
74°
55°
22
77°
56°
23
78°
62°
24
79°
64°
25
82°
56°
26
83°
64°
27
Hist. Avg.
79°
60°
28
Hist. Avg.
79°
60°
29
Hist. Avg.
79°
60°
30
Hist. Avg.
79°
60°
31
Hist. Avg.
79°
60°
1
Hist. Avg.
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Oshawa
Oshawa's July 2026 forecast shows daily high temperatures ranging from 70° to 83°, with overnight lows between 52° and 66°. The average high for July is 77° with an average low of 58°. 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 Oshawa. See also: August | September | October.
