Weather in Alliston, Canada 🇨🇦
In Alliston right now it is 20°C and clear, feeling like 20°C. Humidity is 96% with winds around 12 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Alliston range from about 10°C to 25°C.
Hourly Forecast for Alliston
14-Day Forecast for Alliston
Additional Forecasts for Alliston
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Canada
Browse Weather in Canada by cities in alphabetical order:
Best Time to Be Outside in Alliston Today
The most comfortable window in Alliston today looks like 16:00 to 18:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Alliston
What is the temperature in Alliston right now?
The current temperature in Alliston is 20°C (68°F), clear (feels like 20°C).
What's the weather like in Alliston right now?
Conditions in Alliston right now: Clear, humidity 96%, wind 12 km/h SSE.
What is today's forecast for Alliston?
Today in Alliston: high 24°C, low 16°C, patchy rain nearby. Chance of rain: 36%.
What is the 7-day weather forecast for Alliston?
Daily highs and lows for Alliston:
- 2026-06-12: 24°C / 16°C
- 2026-06-13: 25°C / 14°C
- 2026-06-14: 16°C / 10°C
- 2026-06-15: 20°C / 7°C
- 2026-06-16: 19°C / 9°C
- 2026-06-17: 20°C / 12°C
- 2026-06-18: 18°C / 11°C
Is it going to rain in Alliston today?
There is a 36% chance of rain in Alliston today. Total expected precipitation: 0.33 mm.
What is the wind speed in Alliston right now?
Wind in Alliston is currently 12 km/h (7 mph) from the SSE.
What is the UV index in Alliston right now?
The UV index in Alliston is currently 0 (low). Sun protection is recommended when the index is 3 or higher.