24hr Charts Weather Observations at Port Alberni, B.C. up to: Last 24 hours vs. Yearly Averages. Hi – Lo High Temp Low Temp High Humidity Low Humidity High Dewpoint Low Dewpoint Daily Yearly Hi – Lo Low Wind Chill Rain Total High Rain Rate High Wind High Barometer Low Barometer Daily Yearly ShareTumblrTwitterRedditLinkedInPrintPinterestWhatsAppEmailTelegramFacebookPocketSkype