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Observed at: Port Alberni
Date: 4:00 AM PDT Wednesday 17 September 2025
Temp.: 14 °C
Wind: SSE 7 km/h
Humidity: 84 %
Dew point: 12 °C
Pressure: 101.7 kPa
Tendency: 0.13 kPa
Visibility: km 		Sunrise: 6:58
Sunset: 19:28
Normals:
Max 21°C Min 8°C
 Extended Forecast - Environment Canada
  Wed, 17 Sep
Chance of showers (30%)
Chance of showers
Max: 23°C
 Thu, 18 Sep
Sunny
Sunny
Max: 23°C
 Fri, 19 Sep
Sunny
Sunny
Max: 23°C
 Sat, 20 Sep
Rain
Rain
Max: 17°C
 Sun, 21 Sep
Chance of showers (60%)
Chance of showers
Max: 16°C
 Mon, 22 Sep
Cloudy
Cloudy
Max: 16°C
Tonight
Clear
Clear
Min: 11°C
 Night
Clear
Clear
Min: 8°C
 Night
Clear
Clear
Min: 8°C
 Night
Cloudy periods
Cloudy periods
Min: 11°C
 Night
Chance of showers (60%)
Chance of showers
Min: 12°C
 Night
Chance of showers (60%)
Chance of showers
Min: 10°C

Forecast

Port Alberni, BC (Issued: 4:00 PM PDT Tuesday 16 September 2025)

Tonight
Clear. Low 11.
Wed, 17 Sep
A mix of sun and cloud. 30 percent chance of showers in the morning and early in the afternoon. High 23. Humidex 25. UV index 5 or moderate.
Night
Clear. Low 8.
Thu, 18 Sep
Sunny. High 23.
Night
Clear. Low 8.
Fri, 19 Sep
Sunny. High 23.
Night
Clear. Low 11.
Sat, 20 Sep
Rain. High 17.
Night
Cloudy with 60 percent chance of showers. Low 12.
Sun, 21 Sep
Cloudy with 60 percent chance of showers. High 16.
Night
Cloudy with 60 percent chance of showers. Low 10.
Mon, 22 Sep
Cloudy. High 16.

24 Hour Forecast - Port Alberni, BC

Date/Time Temp.
(°C)
Weather Conditions
LOP †		 Wind
(km/h)
17 September 2025
5 AM 11 A few clouds (0%)  A few clouds 0 VR 5
6 AM 12 Partly cloudy (0%)  Partly cloudy 0 VR 5
7 AM 12 Mainly cloudy (0%)  Mainly cloudy 0 VR 5
8 AM 13 Chance of showers (30%)  Chance of showers 30 VR 5
9 AM 14 Chance of showers (30%)  Chance of showers 30 VR 5
10 AM 14 Chance of showers (30%)  Chance of showers 30 VR 5
11 AM 15 Chance of showers (30%)  Chance of showers 30 VR 5
12 PM 17 Chance of showers (30%)  Chance of showers 30 VR 5
1 PM 19 Chance of showers (30%)  Chance of showers 30 VR 5
2 PM 21 Mainly cloudy (0%)  Mainly cloudy 0 VR 5
3 PM 22 A mix of sun and cloud (0%)  A mix of sun and cloud 0 VR 5
4 PM 22 Mainly sunny (0%)  Mainly sunny 0 VR 5
5 PM 23 Sunny (0%)  Sunny 0 VR 5
6 PM 22 Sunny (0%)  Sunny 0 VR 5
7 PM 20 Clear (0%)  Clear 0 VR 5
8 PM 19 Clear (0%)  Clear 0 SE 10
9 PM 17 Clear (0%)  Clear 0 SE 10
10 PM 16 Clear (0%)  Clear 0 SE 10
11 PM 14 Clear (0%)  Clear 0 VR 5
18 September 2025
12 AM 13 Clear (0%)  Clear 0 VR 5
1 AM 11 Clear (0%)  Clear 0 VR 5
2 AM 10 Clear (0%)  Clear 0 VR 5
3 AM 9 Clear (0%)  Clear 0 VR 5
4 AM 9 Clear (0%)  Clear 0 VR 5
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada