17.03
tue
tue
Day
16°F
E 23 mph
Precip.
0%
0%
Night
18°F
SE 11 mph
Precip.
0%
0%
18.03
wed
wed
Day
28°F
N 6 mph
Precip.
0%
0%
Night
30°F
NW 11 mph
Precip.
0%
0%
19.03
thu
thu
Day
37°F
NE 7 mph
Precip.
0%
0%
Night
36°F
E 7 mph
Precip.
0%
0%
20.03
fri
fri
Day
36°F
SE 4 mph
Precip.
100%
100%
Night
36°F
S 8 mph
Precip.
88%
88%
21.03
sat
sat
Day
32°F
W 18 mph
Precip.
0%
0%
Night
32°F
NW 9 mph
Precip.
72%
72%
22.03
sun
sun
Day
39°F
E 15 mph
Precip.
54%
54%
Night
30°F
SE 22 mph
Precip.
78%
78%
23.03
mon
mon
Day
23°F
SE 24 mph
Precip.
0%
0%
Night
23°F
SE 18 mph
Precip.
0%
0%
24.03
tue
tue
Day
27°F
SW 6 mph
Precip.
0%
0%
Night
28°F
NW 14 mph
Precip.
0%
0%
25.03
wed
wed
Day
37°F
NW 17 mph
Precip.
100%
100%
Night
41°F
NE 20 mph
Precip.
100%
100%
26.03
thu
thu
Day
39°F
E 17 mph
Precip.
0%
0%
Night
32°F
SE 8 mph
Precip.
0%
0%
27.03
fri
fri
Day
34°F
W 13 mph
Precip.
0%
0%
Night
30°F
S 14 mph
Precip.
0%
0%
28.03
sat
sat
Day
34°F
S 22 mph
Precip.
0%
0%
Night
28°F
SE 23 mph
Precip.
0%
0%
29.03
sun
sun
Day
34°F
SE 27 mph
Precip.
0%
0%
Night
32°F
SE 14 mph
Precip.
100%
100%
30.03
mon
mon
Day
37°F
SE 6 mph
Precip.
0%
0%
Night
36°F
NE 4 mph
Precip.
0%
0%
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 35.3°F. The highest and lowest sea temperatures during the month were 36.9°F and 34.2°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: 06:23
March 17, tuesday
0900
12°F
E
22 mph
22 mph
1200
16°F
E
23 mph
23 mph
1500
19°F
SE
21 mph
21 mph
1800
21°F
SE
19 mph
19 mph
2100
19°F
E
16 mph
16 mph
March 18, wednesday
0000
18°F
SE
11 mph
11 mph
0300
19°F
SE
9 mph
9 mph
0600
18°F
SE
4 mph
4 mph
