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Ontario weather: Frost threat looms as cold front arrives
14 Oct
Summary
- Scattered showers and possible thunderstorms to start Wednesday.
- Temperatures to drop by 10 C, reaching around 17 C.
- Frost risk increases by the weekend with overnight lows near 1-2 C.
Southern Ontario can expect scattered showers and a possibility of thunderstorms on Wednesday morning as a weak cold front crosses the region. The day will begin with cloudy skies, with the chance for some sunny breaks. Afternoon temperatures are predicted to reach approximately 17 C, a notable decrease of about 10 degrees from Tuesday's warmth, yet remaining above the usual seasonal temperatures.
Looking towards the latter part of the week, a more unsettled pattern is anticipated. Thursday is forecasted to be mainly cloudy, with rain expected to arrive Thursday night and persist into Friday, accompanied by gusty winds. The weekend is projected to bring brighter skies on Saturday and Sunday, but with a significant drop in temperatures, especially overnight, potentially bringing frost to parts of southern Ontario with lows forecast between 1 C and 2 C.
