06.08
thu
thu
Day
86°F
NE 8 mph
Precip.
4%
4%
Night
68°F
S 4 mph
Precip.
15%
15%
07.08
fri
fri
Day
77°F
N 8 mph
Precip.
19%
19%
Night
68°F
NW 5 mph
Precip.
52%
52%
08.08
sat
sat
Day
75°F
NE 9 mph
Precip.
9%
9%
Night
68°F
SE 6 mph
Precip.
11%
11%
09.08
sun
sun
Day
73°F
N 7 mph
Precip.
13%
13%
Night
68°F
NW 5 mph
Precip.
9%
9%
10.08
mon
mon
Day
70°F
NE 12 mph
Precip.
34%
34%
Night
64°F
SE 6 mph
Precip.
26%
26%
11.08
tue
tue
Day
72°F
E 6 mph
Precip.
9%
9%
Night
63°F
SE 12 mph
Precip.
6%
6%
12.08
wed
wed
Day
72°F
NE 4 mph
Precip.
3%
3%
Night
64°F
E 7 mph
Precip.
16%
16%
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.1°F. The highest and lowest sea temperatures during the month were 77.7°F and 69.3°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: 10:33
August 06, thursday
1200
86°F
NE
8 mph
8 mph
1500
82°F
NE
6 mph
6 mph
1800
77°F
E
7 mph
7 mph
2100
72°F
SE
5 mph
5 mph
August 07, friday
0000
68°F
S
4 mph
4 mph
0300
66°F
S
4 mph
4 mph
0600
66°F
S
4 mph
4 mph
0900
73°F
NE
1 mph
1 mph
