Measurements:
°C
°F
CURRENT WEATHER
07:57
Oshawa
32°F
N 13 mph
Feels like: 22°F
Precip: 0%
World Resorts Canada Oshawa Weather

7 Day Weather Forecast

03.18
tue
DAY
42°F
N 11 mph
precip
0%
NIGHT
36°F
NW 6 mph
precip
0%
03.19
wed
DAY
46°F
N 8 mph
precip
0%
NIGHT
40°F
N 6 mph
precip
0%
03.20
thu
DAY
42°F
NE 22 mph
precip
0%
NIGHT
28°F
SE 25 mph
precip
0%
03.21
fri
DAY
34°F
SE 14 mph
precip
0%
NIGHT
32°F
NE 8 mph
precip
0%
03.22
sat
DAY
40°F
N 7 mph
precip
0%
NIGHT
28°F
SE 20 mph
precip
0%
03.23
sun
DAY
26°F
S 7 mph
precip
0%
NIGHT
28°F
NW 6 mph
precip
0%
03.24
mon
DAY
28°F
W 26 mph
precip
100%
NIGHT
32°F
N 9 mph
precip
29%

Oshawa Sea Water Temperature in March, °F

Select Year: 2025 2024 2023
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9
11
13
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25
27
29
31
0
2
4
6
8
10

The average sea surface temperature in March 2025 for Oshawa was 2.2°F. The maximum and minimum values were 0.9°F and 3.4°F respectively.

Oshawa on the Weather Map

Best Time to Visit Oshawa
The most sunny months:
September 15 days
August 14 days
July 12 days
The most warm months:
July 78.3 °F
August 78.0 °F
June 71.5 °F
Warmest sea temperature:
August 72.3 °F
September 69.7 °F
July 69.0 °F
The most cold months:
January 24.7 °F
February 25.5 °F
December 33.1 °F
The most rainy months:
July 3 days
April 3 days
September 2 days
The most windy months:
November 11 mph
February 11 mph
March 11 mph
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