Observed at: Port Alberni
Date: 8:00 AM PDT Friday 21 August 2026
Temp.: 15 °C
Wind: NW 2 km/h
Humidity: 81 %
Dew point: 12 °C
Pressure: 101.7 kPa
Tendency: 0.06 kPa
Visibility: km
Sunrise: 6:19
Sunset: 20:24
Normals:
Max 25°C Min 10°C
 Extended Forecast - Environment Canada
Today
Mainly sunny
Mainly sunny
Max: 31°C
Sat, 22 Aug
Chance of showers (60%)
Chance of showers
Max: 25°C
Sun, 23 Aug
Chance of showers (60%)
Chance of showers
Max: 21°C
Mon, 24 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 22°C
Tue, 25 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
Wed, 26 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 21°C
Thu, 27 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 21°C
Tonight
Mainly cloudy
Mainly cloudy
Min: 15°C
Night
Showers
Showers
Min: 15°C
Night
Cloudy periods
Cloudy periods
Min: 14°C
Night
Cloudy periods
Cloudy periods
Min: 13°C
Night
Cloudy periods
Cloudy periods
Min: 12°C
Night
Cloudy periods
Cloudy periods
Min: 12°C
 

Forecast

Port Alberni, BC (Issued: 5:00 AM PDT Friday 21 August 2026)

Today
Sunny. Increasing cloudiness this afternoon. High 31. Humidex 35. UV index 7 or high.
Tonight
Mainly cloudy. Low 15.
Sat, 22 Aug
Mainly cloudy with 60 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h gusting to 40 early in the afternoon. High 25. Humidex 29. UV index 5 or moderate.
Night
Showers. Low 15.
Sun, 23 Aug
Cloudy with 60 percent chance of showers. High 21.
Night
Cloudy periods. Low 14.
Mon, 24 Aug
A mix of sun and cloud. High 22.
Night
Cloudy periods. Low 13.
Tue, 25 Aug
A mix of sun and cloud. High 20.
Night
Cloudy periods. Low 12.
Wed, 26 Aug
A mix of sun and cloud. High 21.
Night
Cloudy periods. Low 12.
Thu, 27 Aug
A mix of sun and cloud. High 21.

24 Hour Forecast - Port Alberni, BC

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
21 August 2026
9 AM 18 Sunny (0%)  Sunny 0 VR Calm
10 AM 21 Sunny (0%)  Sunny 0 VR Calm
11 AM 23 Sunny (0%)  Sunny 0 VR Calm
12 PM 24 Sunny (0%)  Sunny 0 VR Calm
1 PM 26 Sunny (0%)  Sunny 0 S 15
2 PM 27 Mainly sunny (0%)  Mainly sunny 0 S 15
3 PM 28 A mix of sun and cloud (0%)  A mix of sun and cloud 0 S 15
4 PM 30 Mainly cloudy (0%)  Mainly cloudy 0 S 15
5 PM 31 Mainly cloudy (20%)  Mainly cloudy 20 S 15
6 PM 28 Mainly cloudy (20%)  Mainly cloudy 20 S 15
7 PM 24 Mainly cloudy (20%)  Mainly cloudy 20 VR Calm
8 PM 21 Mainly cloudy (20%)  Mainly cloudy 20 VR Calm
9 PM 20 Mainly cloudy (20%)  Mainly cloudy 20 VR Calm
10 PM 18 Mainly cloudy (20%)  Mainly cloudy 20 VR Calm
11 PM 17 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
22 August 2026
12 AM 17 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
1 AM 16 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
2 AM 16 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
3 AM 16 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
4 AM 15 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
5 AM 15 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
6 AM 15 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
7 AM 16 Mainly cloudy (20%)  Mainly cloudy 20 VR 5
8 AM 16 Chance of showers (30%)  Chance of showers 30 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