27.04
mon
mon
Day
57°F
W 11 mph
Precip.
0%
0%
Night
46°F
NW 13 mph
Precip.
0%
0%
28.04
tue
tue
Day
46°F
NW 9 mph
Precip.
100%
100%
Night
46°F
S 11 mph
Precip.
0%
0%
29.04
wed
wed
Day
45°F
SE 7 mph
Precip.
100%
100%
Night
43°F
SE 12 mph
Precip.
87%
87%
30.04
thu
thu
Day
46°F
SE 16 mph
Precip.
0%
0%
Night
39°F
SE 11 mph
Precip.
0%
0%
01.05
fri
fri
Day
46°F
SE 6 mph
Precip.
100%
100%
Night
37°F
SE 14 mph
Precip.
0%
0%
02.05
sat
sat
Day
45°F
SE 16 mph
Precip.
0%
0%
Night
41°F
SE 12 mph
Precip.
0%
0%
03.05
sun
sun
Day
37°F
SE 18 mph
Precip.
84%
84%
Night
37°F
SE 14 mph
Precip.
23%
23%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 37.6°F. The highest and lowest sea temperatures during the month were 40.8°F and 34.9°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 44.9°F. The highest and lowest sea temperatures during the month were 49.6°F and 41.4°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: 12:55
April 27, monday
1500
66°F
W
12 mph
12 mph
1800
55°F
W
14 mph
14 mph
2100
48°F
W
15 mph
15 mph
April 28, tuesday
0000
46°F
NW
13 mph
13 mph
0300
46°F
NW
12 mph
12 mph
0600
45°F
W
12 mph
12 mph
0900
46°F
NW
9 mph
9 mph
1200
46°F
NW
9 mph
9 mph
