Alliston Weather

Tuesday, 20 January 2026
-12ยฐC
Light freezing rain
Feels like: -18ยฐC
๐Ÿ’ง Humidity Level %56
๐Ÿ’จ Wind Speed 10 km/h West
๐ŸŒฌ๏ธ Wind Gust 14 km/h
๐Ÿ‘๏ธ Visibility 7 km
๐ŸŒก๏ธ Atmospheric Pressure 1022 mb
โ˜€๏ธ UV Index 1 (Low)
โ˜๏ธ Cloud Cover %0
๐ŸŒง๏ธ Precipitation Amount 0 mm
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Hourly Weather Forecasts

00:00
-13ยฐ
๐Ÿ’ง100%
01:00
-14ยฐ
02:00
-14ยฐ
๐Ÿ’ง100%
03:00
-14ยฐ
๐Ÿ’ง100%
04:00
-14ยฐ
๐Ÿ’ง100%
05:00
-15ยฐ
๐Ÿ’ง100%
06:00
-15ยฐ
๐Ÿ’ง100%
07:00
-15ยฐ
๐Ÿ’ง100%
08:00
-15ยฐ
๐Ÿ’ง100%
09:00
-15ยฐ
10:00
-14ยฐ
11:00
-13ยฐ
๐Ÿ’ง100%
12:00
-12ยฐ
13:00
-12ยฐ
14:00
-12ยฐ
๐Ÿ’ง100%
15:00
-12ยฐ
๐Ÿ’ง100%
16:00
-12ยฐ
๐Ÿ’ง100%
17:00
-12ยฐ
18:00
-11ยฐ
19:00
-12ยฐ
20:00
-12ยฐ
21:00
-12ยฐ
22:00
-12ยฐ
23:00
-12ยฐ
๐Ÿ“†

Alliston Tomorrow's Weather

โ„๏ธ Wednesday Moderate or heavy snow showers
-2ยฐ / -12ยฐ
๐Ÿ’ง Chance of Rain %84
๐Ÿ’จ Wind Speed 29 km/h
โ˜€๏ธ UV Index 0

Tomorrow (Wednesday) in Alliston, the weather will be Moderate or heavy snow showers. High of -2ยฐC and low of -12ยฐC expected.

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3-Day Weather Forecasts

Tue, 20 Jan
Light freezing rain
๐Ÿ’ง %69
-11ยฐ -15ยฐ
Wed, 21 Jan
Moderate or heavy snow showers
๐Ÿ’ง %84
-2ยฐ -12ยฐ
Thu, 22 Jan
Partly Cloudy
-5ยฐ -11ยฐ
๐ŸŒŠ Marine Conditions ๐Ÿ’จ Air Quality ๐Ÿ“Š Historical Data

Alliston Weather - Detailed Meteorological Forecasts

On our Alliston weather page, you can access real-time meteorological data, hourly forecasts and long-term weather forecasts up to 16 days. Currently in Alliston, the air temperature is measured at -12ยฐC and the general weather condition is Light freezing rain. The feels-like temperature is at -18ยฐC; The air feels colder due to wind.

Temperature Analysis

Alliston is currently experiencing freezing cold weather conditions. Thermometers show -12ยฐC, while the feels-like temperature is at -18ยฐC. During this winter season, winterDesc is observed for the region. Heavy coat, beanie, gloves and scarf are recommended. The temperature will vary between -15ยฐC and 0ยฐC over the next 12 hours.

Wind and Atmospheric Conditions

Wind is blowing from West direction at 10 km/h and its intensity is rated as light. Wind gusts can reach 14 km/h. A pleasant breeze. Atmospheric pressure is at 1022 mb (1022Desc). 1022Trend.

Humidity and Precipitation

Relative humidity is at 56% (56Desc). 56Advice. 0.01 mm of precipitation has been recorded in recent hours. Precipitation intensity is 0.01Desc. There is a possibility of rain within the next 12 hours.

Visibility and Cloud Cover

Visibility is 7 km (7Desc). 7Advice. The sky is 0% cloudy (0Desc). 0Advice. It is currently daytime.

UV Index and Sun Protection

UV index is 1 (1Level - 1Color category). 1Advice. The sun will rise at 07:49 AM and set at 05:12 PM today. Day length is approximately 9.4 hours. Moon phase: Waxing Crescent.

Hourly Forecast Summary

According to meteorological forecasts for the next 12 hours, temperatures will range between -15ยฐC and 0ยฐC. There is a possibility of rain during this period, keep an umbrella handy. You can follow our detailed hourly forecasts from the chart above.

3-Day Forecast Assessment

For Alliston, significant warming is expected in the coming days. The first day will see a high of -11ยฐC and a low of -15ยฐC. Our detailed 3-day forecasts include humidity, wind and precipitation probabilities.

15-Day Long Range Forecast

Next week in Alliston, the average high temperature will be around -12ยฐC and the low around -20ยฐC. 0 days of rain are expected throughout the week. Our 15-day forecasts based on Open-Meteo data provide a reliable guide for your long-term planning.

Geographic Location and Climate Features

Alliston is located in the northern hemisphere in the temperate climate zone (Latitude: 44.15ยฐ, Longitude: -79.87ยฐ). Due to this geographic position, characteristic weather conditions of winterDesc are observed during the winter season.

Activity and Clothing Guide

In current weather conditions, skiing, winter sports suitable conditions available for. Heavy coat, beanie, gloves and scarf are recommended.

Health and Comfort Tips

Heart patients should be careful in cold weather. Acceptable conditions in terms of general comfort. Those with chronic diseases and the elderly should be more careful in extreme weather conditions.

Data Sources and Reliability

At WeatherGet, we provide the most up-to-date meteorological data for Alliston and all locations worldwide. Our data compiled from multiple reliable sources such as WeatherAPI, Open-Meteo and Weather Unlocked is cross-validated before being presented to you. With our mobile-friendly interface, you can access weather information anytime, anywhere.

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Alliston Districts