Oshawa 7-day weather forecast

Written by:
June 8, 2026
ESOlex // Shutterstock

Oshawa 7-day weather forecast

Stacker created the forecast for Oshawa, Ontario using data from OpenWeather. This week's high is 20 °C on Monday, while the low is 10 °C on Monday. There are expected to be 3 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, June 15

- High of 20 °C, low of 10 °C (58% humidity)
- Mostly sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 5:32 AM, sunset at 8:59 PM
1 / 6
Piyawat Nandeenopparit // Shutterstock

Tuesday, June 16

- High of 20 °C, low of 12 °C (72% humidity)
- Fair with a 100% chance of rain (2 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (30 km/h wind)
- Sunrise at 5:32 AM, sunset at 8:59 PM
2 / 6
Nazarova Mariia // Shutterstock

Wednesday, June 17

- High of 18 °C, low of 14 °C (72% humidity)
- Partly cloudy with a 100% chance of rain (9 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (28 km/h wind)
- Sunrise at 5:32 AM, sunset at 9:00 PM
3 / 6
Deborah Kolb // Shutterstock

Thursday, June 18

- High of 20 °C, low of 12 °C (68% humidity)
- Partly cloudy with a 100% chance of rain (24 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (40 km/h wind)
- Sunrise at 5:32 AM, sunset at 9:00 PM
4 / 6
otsphoto // Shutterstock

Friday, June 19

- High of 18 °C, low of 12 °C (92% humidity)
- Partly sunny with a 100% chance of rain (7 mm of rain)
- Light breeze (24 km/h wind)
- Sunrise at 5:32 AM, sunset at 9:00 PM
5 / 6
Leszek Glasner // Shutterstock

Saturday, June 20

- High of 19 °C, low of 10 °C (67% humidity)
- Partly cloudy with a 22% chance of rain (1 mm of rain)
- Light breeze (25 km/h wind)
- Sunrise at 5:32 AM, sunset at 9:01 PM
6 / 6
Jaromir Chalabala // Shutterstock

Sunday, June 21

- High of 18 °C, low of 11 °C (62% humidity)
- Mostly sunny with a 99% chance of rain (3 mm of rain)
- Light breeze (19 km/h wind)
- Sunrise at 5:33 AM, sunset at 9:01 PM
- First quarter moon

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