Oshawa 7-day weather forecast

Written by:
March 23, 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 4 °C on Thursday. There are expected to be 0 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, May 4

- High of 20 °C, low of 6 °C (75% humidity)
- Partly cloudy with a 0% chance of snow
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (31 km/h wind)
- Sunrise at 6:03 AM, sunset at 8:21 PM
1 / 6
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Tuesday, May 5

- High of 11 °C, low of 7 °C (75% humidity)
- Overcast with a 97% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (25 km/h wind)
- Sunrise at 6:01 AM, sunset at 8:22 PM
2 / 6
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Wednesday, May 6

- High of 11 °C, low of 5 °C (55% humidity)
- Overcast with a 0% chance of snow
- Moderate risk of harm from sun exposure (3 UV index)
- Light air (12 km/h wind)
- Sunrise at 6:00 AM, sunset at 8:23 PM
3 / 6
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Thursday, May 7

- High of 9 °C, low of 4 °C (65% humidity)
- Overcast with a 0% chance of snow
- High risk of harm from sun exposure (5 UV index)
- Light breeze (16 km/h wind)
- Sunrise at 5:59 AM, sunset at 8:24 PM
4 / 6
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Friday, May 8

- High of 10 °C, low of 4 °C (70% humidity)
- Partly cloudy with a 42% chance of rain (1 mm of rain)
- Light breeze (16 km/h wind)
- Sunrise at 5:57 AM, sunset at 8:25 PM
5 / 6
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Saturday, May 9

- High of 10 °C, low of 4 °C (62% humidity)
- Partly cloudy with a 42% chance of rain (1 mm of rain)
- Light air (8 km/h wind)
- Sunrise at 5:56 AM, sunset at 8:27 PM
- Last quarter moon
6 / 6
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Sunday, May 10

- High of 11 °C, low of 4 °C (60% humidity)
- Mostly cloudy with a 73% chance of rain (0 mm of rain)
- Light breeze (14 km/h wind)
- Sunrise at 5:55 AM, sunset at 8:28 PM

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