Port Alberni, British Columbia, Canada Climate Change Severity

48
High
The current climate change severity in Port Alberni is High, with a 3.7% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Port Alberni Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Port Alberni temperature has changed by around -4.7%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Jul. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4123
-43.9%
cloudyCloudy
4954
10.2%
rainyRainy
10164
-36.6%
snowySnowy
33
0%
mistyMisty
08
100%

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

Climate Change Indicators:

Over the past 15 years, Port Alberni has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Port Alberni experienced significant changes:

Temperature change of

-0.4 °C

Variation in annual rainfall

-24.9 %

Change in average humidity

+4.3 %

PM2.5 levels surged by

-17.9 %

Heatwave changed by

-10.3 day(s)

Coldwave changed by

-3.06 day(s)

Wind speeds changed by

+2.2 km/h

These indicators show that Port Alberni is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Port Alberni Weather Forecast 30 Days (August - September 2025)
Port Alberni, British Columbia, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sun. 3, Aug.
cloudyCloudy
Temperature Icon19°/11°
Humidity Icon81%
Wind Icon5km/h
Mon. 4, Aug.
partly cloudyPartly Cloudy
Temperature Icon16°/12°
Humidity Icon82%
Wind Icon9km/h
Tue. 5, Aug.
heavy rainHeavy rain
Temperature Icon13°/11°
Humidity Icon95%
Wind Icon5km/h
Wed. 6, Aug.
moderate rainModerate rain
Temperature Icon18°/12°
Humidity Icon93%
Wind Icon5km/h
Thu. 7, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/11°
Humidity Icon81%
Wind Icon7km/h
Fri. 8, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/10°
Humidity Icon83%
Wind Icon5km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon25°/11°
Humidity Icon68%
Wind Icon3km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon30°/14°
Humidity Icon56%
Wind Icon4km/h
Mon. 11, Aug.
sunnySunny
Temperature Icon32°/17°
Humidity Icon59%
Wind Icon4km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon29°/13°
Humidity Icon68%
Wind Icon6km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon26°/12°
Humidity Icon72%
Wind Icon4km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon25°/12°
Humidity Icon71%
Wind Icon3km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon27°/12°
Humidity Icon64%
Wind Icon3km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon28°/12°
Humidity Icon66%
Wind Icon7km/h
Sun. 17, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon23°/15°
Humidity Icon69%
Wind Icon12km/h
Mon. 18, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon23°/15°
Humidity Icon70%
Wind Icon11km/h
Tue. 19, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon22°/15°
Humidity Icon72%
Wind Icon12km/h
Wed. 20, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/15°
Humidity Icon73%
Wind Icon12km/h
Thu. 21, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/14°
Humidity Icon76%
Wind Icon12km/h
Fri. 22, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon20°/14°
Humidity Icon75%
Wind Icon10km/h
Sat. 23, Aug.
moderate rain at timesModerate rain at times
Temperature Icon20°/13°
Humidity Icon76%
Wind Icon11km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon20°/13°
Humidity Icon72%
Wind Icon10km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon21°/14°
Humidity Icon72%
Wind Icon10km/h
Tue. 26, Aug.
moderate rain at timesModerate rain at times
Temperature Icon21°/14°
Humidity Icon74%
Wind Icon11km/h
Wed. 27, Aug.
moderate rain at timesModerate rain at times
Temperature Icon21°/14°
Humidity Icon72%
Wind Icon11km/h
Thu. 28, Aug.
heavy rain at timesHeavy rain at times
Temperature Icon20°/14°
Humidity Icon76%
Wind Icon11km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/14°
Humidity Icon80%
Wind Icon12km/h
Sat. 30, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/13°
Humidity Icon80%
Wind Icon12km/h
Sun. 31, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon80%
Wind Icon11km/h
Mon. 1, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon77%
Wind Icon9km/h
Tue. 2, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/13°
Humidity Icon77%
Wind Icon10km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 11, Aug.

32.2°C

Low will be onFri. 8, Aug.

9.9°C

HumidityHumidity

High will be onTue. 5, Aug.

95%

Low will be onSun. 10, Aug.

56%

Wind SpeedWind Speed

High will be onFri. 29, Aug.

11.9km/h

Low will be onSat. 9, Aug.

2.5km/h

PrecipitationPrecipitation

High will be onTue. 5, Aug.

24.5mm

Low will be onMon. 18, Aug.

0.1mm

Ultraviolet IndexUV

High will be onSun. 10, Aug.

6

Low will be onWed. 6, Aug.

3

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