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Forecast for Alliston July 25 to July 28

New Tecumseth, ON, Canada / FM92 South Simcoe Today
Rick SARGENT
Jul 25, 2025 | 6:11 AM
Forecast for Alliston July 25 to July 28


Today Mainly cloudy. 40 percent chance of showers early this morning. High 29. Humidex 37. UV index 7 or high.
Tonight Partly cloudy. Low 18.
Sat, 26 Jul Mainly cloudy. 30 percent chance of showers in the afternoon with risk of a thunderstorm. Wind south 20 km/h becoming light in the afternoon. High 28. Humidex 37. UV index 7 or high.
Night Cloudy with 40 percent chance of showers. Low 20.
Sun, 27 Jul A mix of sun and cloud with 40 percent chance of showers. High 30.
Night Clear. Low 20.
Mon, 28 Jul Sunny. High 32.
Night Cloudy periods with 40 percent chance of showers. Low 22.