Measurements:
°C
°F
CURRENT WEATHER
07:24
Oshawa
62°F
S 12 mph
Feels like: 62°F
Precip: 8%
World Resorts Canada Oshawa Weather

7 Day Weather Forecast

07.30
thu
DAY
78°F
SE 10 mph
precip
6%
NIGHT
66°F
SE 11 mph
precip
4%
07.31
fri
DAY
78°F
NE 6 mph
precip
3%
NIGHT
68°F
NE 5 mph
precip
9%
08.01
sat
DAY
78°F
NW 5 mph
precip
24%
NIGHT
66°F
S 6 mph
precip
23%
08.02
sun
DAY
68°F
S 5 mph
precip
28%
NIGHT
58°F
S 12 mph
precip
11%
08.03
mon
DAY
76°F
SE 9 mph
precip
2%
NIGHT
62°F
E 5 mph
precip
7%
08.04
tue
DAY
78°F
NE 9 mph
precip
2%
NIGHT
70°F
NE 5 mph
precip
6%
08.05
wed
DAY
80°F
N 7 mph
precip
4%
NIGHT
70°F
NW 4 mph
precip
11%

Oshawa Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Oshawa was 17.2°F. The maximum and minimum values were 12.1°F and 22.2°F respectively.

Oshawa on the Weather Map

Best Time to Visit Oshawa
The most sunny months:
September 15 days
August 14 days
July 14 days
The most warm months:
July 79.7 °F
August 78.1 °F
June 72.8 °F
Warmest sea temperature:
August 72.9 °F
September 69.3 °F
July 68.3 °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 2 days
March 2 days
The most windy months:
December 11 mph
November 11 mph
January 11 mph
more details