Measurements:
°C
°F
CURRENT WEATHER
10:05
Oshawa
64°F
NE 10 mph
Feels like: 64°F
Precip: 12%
World Resorts Canada Oshawa Weather

7 Day Weather Forecast

06.17
wed
DAY
70°F
NE 13 mph
precip
8%
NIGHT
58°F
NW 11 mph
precip
77%
06.18
thu
DAY
62°F
E 19 mph
precip
33%
NIGHT
58°F
E 12 mph
precip
13%
06.19
fri
DAY
66°F
E 16 mph
precip
24%
NIGHT
58°F
E 14 mph
precip
7%
06.20
sat
DAY
66°F
SE 18 mph
precip
4%
NIGHT
54°F
SE 4 mph
precip
9%
06.21
sun
DAY
64°F
NE 5 mph
precip
4%
NIGHT
56°F
NE 4 mph
precip
24%
06.22
mon
DAY
58°F
S 9 mph
precip
22%
NIGHT
54°F
SE 10 mph
precip
14%
06.23
tue
DAY
64°F
E 3 mph
precip
7%
NIGHT
56°F
N 1 mph
precip
10%

Oshawa Sea Water Temperature in June, °F

Select Year: 2026 2025 2024

The average sea surface temperature in June 2026 for Oshawa was 10.6°F. The maximum and minimum values were 8.0°F and 13.9°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 2 days
March 2 days
The most windy months:
December 11 mph
November 11 mph
January 11 mph
more details