Yellow Advisory - Fog
8:29 p.m. EDT Tuesday 1 September 2026

Impact Level: Moderate

Forecast Confidence: High


Near-zero visibility in fog is expected.

Visibility along the shore of Lake Ontario is reduced in dense fog. The visibility should improve Wednesday morning as the fog dissipates.

Be prepared for areas of near-zero visibility and allow extra time to reach your destination.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.

In effect for:
  • Pickering - Oshawa - Southern Durham Region

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Updated: @ 02/09/2026 00:20 - next update at 00:00  
Summary / Temperature Wind Rain Outlook
overcast -  mist overcast - mist
Currently: 18.8°C, Max: 18.8°C, Min: 18.7°C 18.8°C


conditionscolour

Feels like: 18.8°C

24-hr difference
1.1°CWarmer 1.1°C than yesterday at this time.
  Today Yesterday
High: 18.8°C
00:12
22.9°C
16:38
Low: 18.7°C
00:00
17.6°C
00:00
 Wind from E E
11.1
Gust:
11.1 km/h
2 Bft - Light Breeze
Today: 11.1 km/h 00:16
Gust Month: 14.8 km/h September 1
Rain Today: 0 mm
Rain Rate (/hr): 0 mm
Rain Yesterday: 0 mm
Storm Rain: 0 mm
This Month: 0 mm
Season Total: 0 mm
512 days since last rain.
Wed, 2 Sep
Showers at times heavy
Showers at times heavy
Humidity & Barometer Almanac Moon
Humidity: 98 % Decreased 1.0% since last hour.
Dew Point: 18.5°C  
Barometer: 1014.7 mb  
Baro Trend: Steady
Sunrise: 06:40
Sunset: 19:49
Moonrise: 21:41
Moonset: 12:55
Waning Gibbous
Waning Gibbous, Moon at 19 days in cycle
74%
Illuminated
UV Index Solar Radiation
   0.0    None
High: 0.0 @ 00:00
0 W/m2 (0 %)
High: 0 @  00:00
 EC Weather Forecast  - Outlook: Tonight & Wed, 2 Sep
Tonight
Showers at times heavy
Showers at times heavy

Min: 19°C
EC forecast: Mainly cloudy. Showers at times heavy beginning before morning. Risk of a thunderstorm before morning. Fog patches. Low 19.
Davis VP+ forecast: Increasing clouds with little temp change.
 
Wed, 2 Sep
Showers at times heavy
Showers at times heavy

Max: 28°C
EC forecast: Showers at times heavy ending in the morning then mainly cloudy with 40 percent chance of showers in the afternoon. Showers or thunderstorms beginning late in the afternoon. Risk of a thunderstorm. Fog patches dissipating in the morning. Local amount 30 to 40 mm. Wind becoming southwest 20 km/h in the afternoon. High 28. Humidex 37. UV index 7 or high.
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