World Resorts Canada Oshawa Weather

Oshawa 14 Days Forecast

06.08
thu
Day
86°F
NE 8 mph
Precip.
4%
Night
68°F
S 4 mph
Precip.
15%
07.08
fri
Day
77°F
N 8 mph
Precip.
19%
Night
68°F
NW 5 mph
Precip.
52%
08.08
sat
Day
75°F
NE 9 mph
Precip.
9%
Night
68°F
SE 6 mph
Precip.
11%
09.08
sun
Day
73°F
N 7 mph
Precip.
13%
Night
68°F
NW 5 mph
Precip.
9%
10.08
mon
Day
70°F
NE 12 mph
Precip.
34%
Night
64°F
SE 6 mph
Precip.
26%
11.08
tue
Day
72°F
E 6 mph
Precip.
9%
Night
63°F
SE 12 mph
Precip.
6%
12.08
wed
Day
72°F
NE 4 mph
Precip.
3%
Night
64°F
E 7 mph
Precip.
16%
13.08
thu
Day
68°F
SE 16 mph
Precip.
4%
Night
57°F
SE 11 mph
Precip.
8%
14.08
fri
Day
68°F
E 6 mph
Precip.
10%
Night
59°F
E 3 mph
Precip.
9%
15.08
sat
Day
70°F
NE 11 mph
Precip.
5%
Night
61°F
E 9 mph
Precip.
40%
16.08
sun
Day
66°F
SE 15 mph
Precip.
2%
Night
55°F
SE 11 mph
Precip.
7%
17.08
mon
Day
66°F
SE 11 mph
Precip.
3%
Night
55°F
S 7 mph
Precip.
7%
18.08
tue
Day
66°F
N 9 mph
Precip.
5%
Night
63°F
NW 14 mph
Precip.
23%
19.08
wed
Day
72°F
NE 12 mph
Precip.
64%
Night
70°F
SE 14 mph
Precip.
5%

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

Sunniest months:
September 15 days
August 14 days
July 14 days
Warmest months:
July 76.8 °F
August 75.3 °F
June 70.5 °F
Warmest sea temp:
August 70.6 °F
September 67.3 °F
July 66.5 °F
Coldest months:
January 26.6 °F
February 27.6 °F
December 33.6 °F
Rainiest months:
July 3 days
April 2 days
March 2 days
Windiest months:
December 11.7 mph
November 11.7 mph
January 11.7 mph

Oshawa on a weather map

Oshawa
+72°F
NE 4 mph
Feels like: +77°F
Precip.: 10%
Places in Canada:
Name
°F
+70°F
+59°F
+55°F
+68°F
+90°F
+54°F
+70°F
+73°F
+77°F
+72°F
+75°F
+77°F
+64°F
+73°F
24 Hours Forecast
Oshawa
Local time: 10:33
August 06, thursday
1200
86°F
NE
8 mph
1500
82°F
NE
6 mph
1800
77°F
E
7 mph
2100
72°F
SE
5 mph
August 07, friday
0000
68°F
S
4 mph
0300
66°F
S
4 mph
0600
66°F
S
4 mph
0900
73°F
NE
1 mph
Units of measurement: °C / °F