Observed at: Port Alberni
Date: 10:00 AM PDT Monday 17 August 2026
Temp.: 16 °C
Wind: ESE 2 km/h
Humidity: 90 %
Dew point: 14 °C
Pressure: 102.2 kPa
Tendency: 0.06 kPa
Visibility: km
Sunrise: 6:14
Sunset: 20:32
Normals:
Max 26°C Min 11°C
 Extended Forecast - Environment Canada
Today
Chance of showers (30%)
Chance of showers
Max: 30°C
Tue, 18 Aug
Mainly sunny
Mainly sunny
Max: 29°C
Wed, 19 Aug
Sunny
Sunny
Max: 28°C
Thu, 20 Aug
Sunny
Sunny
Max: 31°C
Fri, 21 Aug
Sunny
Sunny
Max: 31°C
Sat, 22 Aug
Chance of showers (60%)
Chance of showers
Max: 20°C
Sun, 23 Aug
A mix of sun and cloud
A mix of sun and cloud
Max: 20°C
Tonight
Chance of showers (30%)
Chance of showers
Min: 14°C
Night
Clear
Clear
Min: 12°C
Night
Clear
Clear
Min: 12°C
Night
Clear
Clear
Min: 13°C
Night
Cloudy periods
Cloudy periods
Min: 16°C
Night
Cloudy periods
Cloudy periods
Min: 14°C
 

Forecast

Port Alberni, BC (Issued: 7:45 AM PDT Monday 17 August 2026)

Today
Becoming a mix of sun and cloud near noon with 30 percent chance of showers this afternoon. Risk of a thunderstorm this afternoon. Fog patches dissipating this morning. Hazy this afternoon. High 30. Humidex 33. UV index 5 or moderate.
Tonight
Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm. Hazy. Low 14.
Tue, 18 Aug
Mainly sunny. High 29. Humidex 32. UV index 7 or high.
Night
Clear. Low 12.
Wed, 19 Aug
Sunny. High 28.
Night
Clear. Low 12.
Thu, 20 Aug
Sunny. High 31.
Night
Clear. Low 13.
Fri, 21 Aug
Sunny. High 31.
Night
Cloudy periods. Low 16.
Sat, 22 Aug
A mix of sun and cloud with 60 percent chance of showers. High 20.
Night
Cloudy periods. Low 14.
Sun, 23 Aug
A mix of sun and cloud. High 20.

24 Hour Forecast - Port Alberni, BC

Date/Time Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
17 August 2026
11 AM 23 Cloudy (0%)  Cloudy 0 S 15
12 PM 24 Mainly cloudy (0%)  Mainly cloudy 0 S 15
1 PM 26 A mix of sun and cloud (0%)  A mix of sun and cloud 0 S 15
2 PM 27 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 15
3 PM 28 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 15
4 PM 29 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 15
5 PM 30 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 15
6 PM 28 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 S 15
7 PM 26 Chance of showers. Risk of thunderstorms (30%)  Chance of showers. Risk of thunderstorms 30 SE 15
8 PM 23 Mainly sunny (0%)  Mainly sunny 0 VR Calm
9 PM 21 A few clouds (0%)  A few clouds 0 VR Calm
10 PM 20 A few clouds (0%)  A few clouds 0 VR Calm
11 PM 18 A few clouds (0%)  A few clouds 0 VR Calm
18 August 2026
12 AM 17 Partly cloudy (0%)  Partly cloudy 0 VR Calm
1 AM 16 Partly cloudy (0%)  Partly cloudy 0 VR Calm
2 AM 15 Partly cloudy (0%)  Partly cloudy 0 VR Calm
3 AM 15 Partly cloudy (0%)  Partly cloudy 0 VR Calm
4 AM 14 Partly cloudy (0%)  Partly cloudy 0 VR Calm
5 AM 14 Partly cloudy (0%)  Partly cloudy 0 VR Calm
6 AM 15 Mainly sunny (0%)  Mainly sunny 0 VR Calm
7 AM 15 Mainly sunny (0%)  Mainly sunny 0 VR Calm
8 AM 16 Mainly sunny (0%)  Mainly sunny 0 VR Calm
9 AM 17 Mainly sunny (0%)  Mainly sunny 0 VR Calm
10 AM 19 Mainly sunny (0%)  Mainly sunny 0 VR Calm
 
† 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