Oshawa 7-day weather forecast

Written by:
August 25, 2025
ESOlex // Shutterstock

Oshawa 7-day weather forecast

Stacker created the forecast for Oshawa, Ontario using data from OpenWeather. This week's high is 24 °C on Monday, while the low is 11 °C on Sunday. There are expected to be 2 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, September 1

- High of 24 °C, low of 13 °C (47% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 6:39 AM, sunset at 7:51 PM
1 / 6
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Tuesday, September 2

- High of 24 °C, low of 16 °C (52% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (18 km/h wind)
- Sunrise at 6:40 AM, sunset at 7:50 PM
2 / 6
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Wednesday, September 3

- High of 24 °C, low of 17 °C (48% humidity)
- Sunny with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Light breeze (21 km/h wind)
- Sunrise at 6:41 AM, sunset at 7:48 PM
3 / 6
Marian Weyo // Shutterstock

Thursday, September 4

- High of 21 °C, low of 15 °C (91% humidity)
- Mostly cloudy with a 100% chance of rain (7 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (30 km/h wind)
- Sunrise at 6:42 AM, sunset at 7:46 PM
4 / 6
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Friday, September 5

- High of 19 °C, low of 12 °C (41% humidity)
- Overcast with a 0% chance of snow
- Gentle breeze (30 km/h wind)
- Sunrise at 6:43 AM, sunset at 7:44 PM
5 / 6
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Saturday, September 6

- High of 19 °C, low of 12 °C (40% humidity)
- Partly sunny with a 0% chance of snow
- Gentle breeze (34 km/h wind)
- Sunrise at 6:44 AM, sunset at 7:42 PM
6 / 6
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Sunday, September 7

- High of 17 °C, low of 11 °C (56% humidity)
- Partly sunny with a 0% chance of snow
- Gentle breeze (30 km/h wind)
- Sunrise at 6:46 AM, sunset at 7:41 PM
- Full moon

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