Frost advisory
Some plants may be damaged or even destroyed by frost.
What:
Frost.
Where:
A large swath of southern Ontario. Areas near the lakeshore may be mild enough to limit frost.
When:
Nightly, continuing for several more nights through mid week.
Take preventative measures to protect frost-sensitive plants and trees.
Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@canada.ca or tweet reports using #ONStorm.
Today – May 10, 2021
Mainly sunny. Increasing cloudiness this morning then 30 percent chance of showers late this afternoon. Wind northwest 20 km/h becoming light early this afternoon. High 14. UV index 6 or high.
Tonight
Mainly cloudy. 30 percent chance of showers this evening. Low zero with patchy frost.
Tue, 11 May – Cloudy. 30 percent chance of showers in the afternoon. Wind becoming northwest 20 km/h gusting to 40 in the morning. High 14. Night – Cloudy periods with 30 percent chance of showers. Low plus 4.
Wed, 12 May – Sunny. High 16. Night – Clear. Low plus 5.
Thu, 13 May – A mix of sun and cloud. High 18. Night – Cloudy periods. Low 8.
Fri, 14 May – A mix of sun and cloud. High 19. Night – Cloudy periods. Low 10.
Sat, 15 May – A mix of sun and cloud. High 20. Night – Cloudy periods. Low 10.
Sun, 16 May – A mix of sun and cloud. High 21.