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 27 °C on Sunday, while the low is 13 °C on Wednesday. There are expected to be 3 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, July 20

- High of 26 °C, low of 14 °C (51% humidity)
- Sunny with a 0% chance of snow
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (19 km/h wind)
- Sunrise at 5:51 AM, sunset at 8:51 PM
1 / 6
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Tuesday, July 21

- High of 26 °C, low of 18 °C (89% humidity)
- Overcast with a 100% chance of rain (18 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (34 km/h wind)
- Sunrise at 5:52 AM, sunset at 8:51 PM
- First quarter moon
2 / 6
Valeriy Boyarskiy // Shutterstock

Wednesday, July 22

- High of 20 °C, low of 13 °C (52% humidity)
- Overcast with a 22% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (29 km/h wind)
- Sunrise at 5:53 AM, sunset at 8:50 PM
3 / 6
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Thursday, July 23

- High of 24 °C, low of 13 °C (44% humidity)
- Fair with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (21 km/h wind)
- Sunrise at 5:54 AM, sunset at 8:49 PM
4 / 6
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Friday, July 24

- High of 25 °C, low of 16 °C (51% humidity)
- Sunny with a 0% chance of snow
- Light breeze (25 km/h wind)
- Sunrise at 5:55 AM, sunset at 8:48 PM
5 / 6
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Saturday, July 25

- High of 25 °C, low of 18 °C (50% humidity)
- Partly cloudy with a 0% chance of snow
- Light air (12 km/h wind)
- Sunrise at 5:56 AM, sunset at 8:47 PM
6 / 6
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Sunday, July 26

- High of 27 °C, low of 19 °C (63% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Light breeze (21 km/h wind)
- Sunrise at 5:57 AM, sunset at 8:46 PM

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