EC Local Forecast
Forecast - Environment Canada
Observed at: Oshawa Executive Airport Date: 12:00 AM EDT Friday 4 September 2026 |
Mostly Cloudy
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Temp.: 18 °C
Wind: NW 5 km/h
Humidity: 84 %
Dew point: 15 °C
Pressure: 101.4 kPa
Tendency: kPa
Visibility: 16 km
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Sunrise: 6:42
Sunset: 19:46
Normals: Max 22°C Min 12°C
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| Extended Forecast - Environment Canada |
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Fri, 4 Sep
Chance of showers
Max: 25°C
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Sat, 5 Sep
Sunny
Max: 24°C
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Sun, 6 Sep
Sunny
Max: 25°C
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Mon, 7 Sep
Sunny
Max: 25°C
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Tue, 8 Sep
A mix of sun and cloud
Max: 22°C
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Wed, 9 Sep
Cloudy
Max: 23°C
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Tonight
Mainly cloudy
Min: 15°C
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Night
Chance of showers
Min: 14°C
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Night
Clear
Min: 12°C
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Night
Clear
Min: 12°C
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Night
Cloudy periods
Min: 13°C
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Night
Cloudy periods
Min: 14°C
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Forecast
Oshawa, ON (Issued: 3:30 PM EDT Thursday 3 September 2026)
- Tonight
- Partly cloudy. Becoming cloudy this evening. Wind north 20 km/h gusting to 40 becoming light this evening. Low 15.
- Fri, 4 Sep
- A mix of sun and cloud. 30 percent chance of showers in the afternoon. High 25. Humidex 30. UV index 7 or high.
- Night
- Partly cloudy. 30 percent chance of showers in the evening. Low 14.
- Sat, 5 Sep
- Sunny. High 24.
- Night
- Clear. Low 12.
- Sun, 6 Sep
- Sunny. High 25.
- Night
- Clear. Low 12.
- Mon, 7 Sep
- Sunny. High 25.
- Night
- Cloudy periods. Low 13.
- Tue, 8 Sep
- A mix of sun and cloud. High 22.
- Night
- Cloudy periods. Low 14.
- Wed, 9 Sep
- Cloudy. High 23.
24 Hour Forecast - Oshawa, ON
| Date/Time |
Temp. (°C) |
Weather Conditions |
LOP † |
Wind (km/h) |
| 4 September 2026 |
| 1 AM |
17 |
Cloudy |
10 |
NW 10 |
| 2 AM |
16 |
Cloudy |
10 |
N 10 |
| 3 AM |
16 |
Cloudy |
10 |
N 10 |
| 4 AM |
15 |
Cloudy |
10 |
N 10 |
| 5 AM |
15 |
Cloudy |
10 |
N 10 |
| 6 AM |
16 |
Partly cloudy |
10 |
N 10 |
| 7 AM |
16 |
A mix of sun and cloud |
10 |
N 10 |
| 8 AM |
17 |
A mix of sun and cloud |
10 |
VR 5 |
| 9 AM |
19 |
A mix of sun and cloud |
10 |
VR 5 |
| 10 AM |
20 |
A mix of sun and cloud |
10 |
VR 5 |
| 11 AM |
22 |
Chance of showers |
30 |
SW 10 |
| 12 PM |
23 |
Chance of showers |
30 |
SW 10 |
| 1 PM |
24 |
Chance of showers |
30 |
SW 10 |
| 2 PM |
25 |
Chance of showers |
30 |
SW 10 |
| 3 PM |
25 |
Chance of showers |
30 |
SW 10 |
| 4 PM |
25 |
Chance of showers |
30 |
SW 10 |
| 5 PM |
25 |
Chance of showers |
30 |
NW 10 |
| 6 PM |
24 |
Chance of showers |
30 |
NW 10 |
| 7 PM |
22 |
Chance of showers |
30 |
NW 10 |
| 8 PM |
21 |
Chance of showers |
30 |
N 10 |
| 9 PM |
20 |
Chance of showers |
30 |
N 10 |
| 10 PM |
20 |
Chance of showers |
30 |
N 10 |
| 11 PM |
19 |
Chance of showers |
30 |
N 10 |
| 5 September 2026 |
| 12 AM |
18 |
A few clouds |
20 |
N 10 |
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† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time. Nil: 0% Low: 40% or below Medium: 60% or 70% High: Above 70%
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Environment Canada
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