Forecast: Summer weather is moving in

Covering the period from June 17 to June 24

Well, last week’s storm system, which combined with the remnants of tropical storm Cristobal, ended up playing out pretty close to what the weather models predicted. The timing of some of the features was off by a day or so, but overall, they did a good job.

For this forecast period, it looks like we should be done with these occasional shots of cold air that have brought some light frosts to some regions during the first 12 days of June. The weather models show an area of low pressure riding up from the southwest on Wednesday, June 17, bringing with it clouds, showers and thundershowers. This low is forecast to move quickly to our northeast, bringing a return to sunshine by Thursday. While we will see cooler air move in behind the low, it will not be as cold as the last couple of shots of cold air. Expect daytime highs for Thursday and Friday to be right around 20 C, with overnight lows in the 8 to 10 C range.

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Over the weekend (June 20-21), the weather models show an area of low pressure dropping southeastward through central regions. This will bring a mix of sun and clouds along with the chance of an afternoon shower or thundershower. Daytime highs will be in the low to mid-20s, with overnight lows in the low teens. This low will drag a weak cold front through our region as it passes by, dropping temperatures back down into the low 20s for the high on Monday.

For next week (June 23-25), the weather models show high pressure dominating our weather, bringing plenty of sunshine and warm temperatures. Expect daytime highs to be pushing into the upper 20s by the middle of the week, with overnight lows dropping into the mid-teens, which will make for some nice early-summer weather.

Usual temperature range for this period: Highs, 20 to 29 C; lows, 7 to 15 C.

About the author

Co-operator contributor

Daniel Bezte

Daniel Bezte is a teacher by profession with a BA (Hon.) in geography, specializing in climatology, from the U of W. He operates a computerized weather station near Birds Hill Park.

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