Yellow Advisory - Frost
4:21 a.m. EDT Friday 1 May 2026

Impact Level: Moderate

Forecast Confidence: High


Frost may damage some crops in frost-prone areas.

Patchy frost is expected early this morning as temperatures drop to near or below freezing.

Patchy frost is likely again tonight for areas that remain clear.

Damage to plants, trees, and crops is possible.

Cover up plants, especially those in frost-prone areas.

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 X using #ONStorm.

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

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Updated: @ 01/05/2026 06:24 - next update at 06:30  
Summary / Temperature Wind Snow Outlook
Mostly cloudy Mostly cloudy
Currently: 1.4°C, Max: 4.8°C, Min: 1.3°C 1.4°C


conditionscolour

Feels like: -0°C

24-hr difference
-2.7°CColder 2.7°C than yesterday at this time.
  Today Yesterday
High: 4.8°C
00:10
16.7°C
18:48
Low: 1.3°C
05:57
3.4°C
04:07
 Wind from WNW WNW
5.5
Gust:
5.5 km/h
1 Bft - Light Breeze
Today: 18.5 km/h 01:16
Gust Month: 18.5 km/h May 1
Snow Today: 0 cm
Snow Yesterday: 0 cm
This Month: 0 cm
Winter Total: 124 cm
Snow Depth: 0 cm
0 snow days in May.
Tonight
Chance of showers (30%)
Chance of showers
Humidity & Barometer Almanac Moon
Humidity: 86 % Increased 6.0% since last hour.
Dew Point: -0.6°C Increased 0.2°C since last hour.
Barometer: 1012.8 mb  
Baro Trend: Steady
Sunrise: 06:07
Sunset: 20:17
Moonrise: 19:42
Moonset: 05:38
Full Moon
Full Moon, Moon at 14 days in cycle
100%
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: Today & Tonight
Today
Chance of showers (30%)
Chance of showers

Max: 10°C
EC forecast: A mix of sun and cloud. 30 percent chance of showers this afternoon. High 10. UV index 6 or high.
Davis VP+ forecast: Increasing clouds with little temp change.
 
Tonight
Chance of showers (30%)
Chance of showers

Min: 0°C
EC forecast: Mainly cloudy. 30 percent chance of showers early this evening. Low zero with frost.
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