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 28 °C on Monday, while the low is 17 °C on Wednesday. There is expected to be 1 sunny day and rain on 5 days this week.

There are currently no weather alerts.

Monday, July 27

- High of 28 °C, low of 18 °C (64% humidity)
- Partly cloudy with a 100% chance of rain (5 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (18 km/h wind)
- Sunrise at 5:58 AM, sunset at 8:45 PM
1 / 6
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Tuesday, July 28

- High of 25 °C, low of 19 °C (87% humidity)
- Overcast with a 100% chance of rain (33 mm of rain)
- Light breeze (24 km/h wind)
- Sunrise at 5:59 AM, sunset at 8:44 PM
2 / 6
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Wednesday, July 29

- High of 21 °C, low of 17 °C (78% humidity)
- Overcast with a 58% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (34 km/h wind)
- Sunrise at 6:00 AM, sunset at 8:43 PM
- Full moon
3 / 6
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Thursday, July 30

- High of 24 °C, low of 17 °C (69% humidity)
- Partly cloudy with a 31% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 6:01 AM, sunset at 8:41 PM
4 / 6
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Friday, July 31

- High of 24 °C, low of 18 °C (73% humidity)
- Mostly sunny with a 0% chance of snow
- Light air (10 km/h wind)
- Sunrise at 6:02 AM, sunset at 8:40 PM
5 / 6
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Saturday, August 1

- High of 24 °C, low of 19 °C (65% humidity)
- Overcast with a 0% chance of snow
- Light air (9 km/h wind)
- Sunrise at 6:03 AM, sunset at 8:39 PM
6 / 6
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Sunday, August 2

- High of 23 °C, low of 18 °C (83% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Light breeze (16 km/h wind)
- Sunrise at 6:04 AM, sunset at 8:38 PM

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