Toronto, Ontario, Canada Climate Change Severity

43
High
The current climate change severity in Toronto is High, with a 20.5% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Toronto Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Toronto temperature has changed by around +0.6%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
42117
178.5%
cloudyCloudy
6713
-80.5%
rainyRainy
10752
-51.4%
snowySnowy
814
75%
mistyMisty
14
300%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Toronto has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Toronto experienced significant changes:

Temperature change of

+0.06 °C

Variation in annual rainfall

+82.57 %

Change in average humidity

-1.53 %

PM2.5 levels surged by

+2.65 %

Heatwave changed by

-9 Days

Coldwave changed by

-3 Days

Wind speeds changed by

-0.92 km/h

These indicators show improvement in key parametes of climate, but Toronto remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Sep.

Toronto Weather Forecast 30 Days (October - November 2026)
Toronto, Ontario, Canada

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 3, Oct.
sunnySunny
Temperature Icon15°/8°
Humidity Icon55%
Wind Icon13.3km/h
Sun. 4, Oct.
overcastOvercast
Temperature Icon20°/13°
Humidity Icon58%
Wind Icon14km/h
Mon. 5, Oct.
sunnySunny
Temperature Icon16°/10°
Humidity Icon49%
Wind Icon24.5km/h
Tue. 6, Oct.
sunnySunny
Temperature Icon16°/7°
Humidity Icon51%
Wind Icon14.8km/h
Wed. 7, Oct.
sunnySunny
Temperature Icon20°/12°
Humidity Icon63%
Wind Icon21.2km/h
Thu. 8, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/14°
Humidity Icon62%
Wind Icon25.6km/h
Fri. 9, Oct.
overcastOvercast
Temperature Icon19°/12°
Humidity Icon56%
Wind Icon14.4km/h
Sat. 10, Oct.
overcastOvercast
Temperature Icon13°/9°
Humidity Icon60%
Wind Icon15.8km/h
Sun. 11, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon16°/9°
Humidity Icon71%
Wind Icon22.4km/h
Mon. 12, Oct.
heavy rain at timesHeavy Rain
Temperature Icon15°/10°
Humidity Icon73%
Wind Icon22.4km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/10°
Humidity Icon75%
Wind Icon21.5km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/9°
Humidity Icon74%
Wind Icon21.5km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/8°
Humidity Icon73%
Wind Icon27.1km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/7°
Humidity Icon72%
Wind Icon23.6km/h
Sat. 17, Oct.
heavy rain at timesHeavy Rain
Temperature Icon13°/7°
Humidity Icon72%
Wind Icon22.9km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/7°
Humidity Icon71%
Wind Icon22.6km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/8°
Humidity Icon75%
Wind Icon24.2km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/9°
Humidity Icon76%
Wind Icon23.8km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon14°/8°
Humidity Icon78%
Wind Icon24.3km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/7°
Humidity Icon74%
Wind Icon22.6km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/7°
Humidity Icon76%
Wind Icon23.3km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon12°/7°
Humidity Icon75%
Wind Icon22km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon12°/7°
Humidity Icon75%
Wind Icon20.9km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon77%
Wind Icon23.9km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon75%
Wind Icon23.2km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon77%
Wind Icon23.1km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon76%
Wind Icon23.7km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon10°/6°
Humidity Icon77%
Wind Icon23.1km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon11°/6°
Humidity Icon78%
Wind Icon25km/h
Sun. 1, Nov.
moderate or heavy rain showerRain Showers
Temperature Icon10°/5°
Humidity Icon75%
Wind Icon25.1km/h
Mon. 2, Nov.
moderate or heavy rain showerRain Showers
Temperature Icon9°/4°
Humidity Icon74%
Wind Icon19.8km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 8, Oct.

22°C

Low will be onMon. 2, Nov.

4°C

HumidityHumidity

High will be onWed. 21, Oct.

78%

Low will be onMon. 5, Oct.

49%

Wind SpeedWind Speed

High will be onThu. 15, Oct.

27.1km/h

Low will be onSat. 3, Oct.

13.3km/h

PrecipitationPrecipitation

High will be onTue. 20, Oct.

6.2mm

Low will be onSun. 4, Oct.

0.01mm

Ultraviolet IndexUV

High will be onThu. 8, Oct.

5

Low will be onSat. 17, Oct.

2

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