17.07
fri
fri
Day
79°F
NW 4 mph
Precip.
1%
1%
Night
66°F
S 4 mph
Precip.
3%
3%
18.07
sat
sat
Day
70°F
NE 10 mph
Precip.
77%
77%
Night
68°F
SE 17 mph
Precip.
19%
19%
19.07
sun
sun
Day
70°F
SE 14 mph
Precip.
2%
2%
Night
59°F
SE 9 mph
Precip.
7%
7%
20.07
mon
mon
Day
72°F
NE 11 mph
Precip.
3%
3%
Night
66°F
N 8 mph
Precip.
7%
7%
21.07
tue
tue
Day
72°F
NE 22 mph
Precip.
60%
60%
Night
61°F
SE 13 mph
Precip.
5%
5%
22.07
wed
wed
Day
70°F
SE 4 mph
Precip.
2%
2%
Night
63°F
NE 4 mph
Precip.
11%
11%
23.07
thu
thu
Day
73°F
N 8 mph
Precip.
3%
3%
Night
64°F
N 4 mph
Precip.
9%
9%
24.07
fri
fri
Day
75°F
NW 6 mph
Precip.
3%
3%
Night
68°F
N 6 mph
Precip.
12%
12%
25.07
sat
sat
Day
68°F
NW 6 mph
Precip.
34%
34%
Night
66°F
W 7 mph
Precip.
16%
16%
26.07
sun
sun
Day
75°F
N 3 mph
Precip.
11%
11%
Night
66°F
NE 6 mph
Precip.
11%
11%
27.07
mon
mon
Day
77°F
NE 6 mph
Precip.
4%
4%
Night
70°F
NE 6 mph
Precip.
10%
10%
28.07
tue
tue
Day
81°F
N 11 mph
Precip.
4%
4%
Night
73°F
NE 8 mph
Precip.
12%
12%
29.07
wed
wed
Day
79°F
NE 7 mph
Precip.
36%
36%
Night
73°F
NE 6 mph
Precip.
50%
50%
30.07
thu
thu
Day
84°F
NE 13 mph
Precip.
40%
40%
Night
79°F
SE 12 mph
Precip.
4%
4%
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 66.4°F. The highest and lowest sea temperatures during the month were 72.0°F and 60.6°F.
Air temperature in Oshawa, °F
Precipitation total in Oshawa, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oshawa
Oshawa on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Oshawa
Local time: 07:27
July 17, friday
0900
70°F
W
4 mph
4 mph
1200
79°F
NW
4 mph
4 mph
1500
84°F
N
4 mph
4 mph
1800
82°F
E
2 mph
2 mph
2100
68°F
SE
1 mph
1 mph
July 18, saturday
0000
66°F
S
4 mph
4 mph
0300
68°F
NW
2 mph
2 mph
0600
66°F
N
2 mph
2 mph
