Weather in Alliston, Canada 🇨🇦
In Alliston right now it is 17°C and patchy rain nearby, feeling like 13°C. The air is at 85% humidity and winds are about 26 km/h, and the UV index is 1 (low). Across the coming days, Alliston should see roughly 12°C to 24°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
Best Time to Be Outside in Alliston Tomorrow
There is no good daylight window left in Alliston today. Tomorrow, the most comfortable window looks like 08:00 to 11:00, when it is around 14°C. The next likely rain is around 19:00.
Frequently Asked Questions about Weather in Alliston
What is the temperature in Alliston right now?
Alliston is sitting at 17°C (63°F) right now, patchy rain nearby (feels like 13°C).
What's the weather like in Alliston right now?
Conditions in Alliston right now: Patchy rain nearby, humidity 85%, wind 26 km/h NW.
What is today's forecast for Alliston?
Today in Alliston: high 18°C, low 12°C, patchy rain nearby. Chance of rain: 90%.
What is the 7-day weather forecast for Alliston?
Daily highs and lows for Alliston:
- 2026-08-24: 18°C / 12°C
- 2026-08-25: 19°C / 13°C
- 2026-08-26: 24°C / 14°C
- 2026-08-27: 22°C / 16°C
- 2026-08-28: 19°C / 12°C
- 2026-08-29: 20°C / 10°C
- 2026-08-30: 21°C / 12°C
Is it going to rain in Alliston today?
There is a 90% chance of rain in Alliston today. Total expected precipitation: 12.97 mm.
What is the wind speed in Alliston right now?
Wind in Alliston is currently 26 km/h (16 mph) from the NW.
What is the UV index in Alliston right now?
The UV index in Alliston is currently 1.2 (low). Sun protection is recommended when the index is 3 or higher.