Measurements:
°C
°F
CURRENT WEATHER
05:55
Oshawa
30°F
N 9 mph
Feels like: 28°F
Precip: 0%
World Resorts Canada Oshawa Weather

7 Day Weather Forecast

04.21
tue
DAY
42°F
N 16 mph
precip
0%
NIGHT
40°F
W 2 mph
precip
71%
04.22
wed
DAY
52°F
S 4 mph
precip
0%
NIGHT
40°F
S 9 mph
precip
0%
04.23
thu
DAY
48°F
N 2 mph
precip
0%
NIGHT
44°F
SW 7 mph
precip
0%
04.24
fri
DAY
42°F
W 9 mph
precip
0%
NIGHT
40°F
W 11 mph
precip
0%
04.25
sat
DAY
46°F
W 13 mph
precip
0%
NIGHT
40°F
W 9 mph
precip
0%
04.26
sun
DAY
44°F
W 14 mph
precip
100%
NIGHT
44°F
W 11 mph
precip
100%
04.27
mon
DAY
44°F
W 11 mph
precip
0%
NIGHT
42°F
W 11 mph
precip
100%

Oshawa Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Oshawa was 2.7°F. The maximum and minimum values were 1.6°F and 4.1°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