Measurements:
°C
°F
CURRENT WEATHER
21:08
Oshawa
48°F
NE 9 mph
Feels like: 46°F
Precip: 0%
World Resorts Canada Oshawa Weather

7 Day Weather Forecast

03.09
mon
DAY
54°F
NE 19 mph
precip
0%
NIGHT
44°F
NE 9 mph
precip
0%
03.10
tue
DAY
42°F
NE 4 mph
precip
0%
NIGHT
34°F
W 13 mph
precip
0%
03.11
wed
DAY
34°F
W 12 mph
precip
100%
NIGHT
34°F
E 20 mph
precip
100%
03.12
thu
DAY
32°F
SE 22 mph
precip
0%
NIGHT
26°F
E 12 mph
precip
0%
03.13
fri
DAY
26°F
NW 25 mph
precip
100%
NIGHT
26°F
E 8 mph
precip
100%
03.14
sat
DAY
24°F
E 13 mph
precip
30%
NIGHT
26°F
NW 5 mph
precip
100%
03.15
sun
DAY
32°F
W 17 mph
precip
100%
NIGHT
28°F
SE 22 mph
precip
100%

Oshawa Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Oshawa was 2.7°F. The maximum and minimum values were 0.9°F and 3.9°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 79.0 °F
August 78.1 °F
June 72.0 °F
Warmest sea temperature:
August 72.9 °F
September 69.3 °F
July 69.0 °F
The most cold months:
January 24.0 °F
February 25.1 °F
December 31.8 °F
The most rainy months:
July 3 days
April 3 days
March 2 days
The most windy months:
December 11 mph
November 11 mph
January 11 mph
more details